Cov Khoom Siv VARCO Sab Saum Toj Tsav Tsheb Mechanical & Pneumatic Spare Parts rau Kev Txij Nkawm Roj Av Drilling Rig

Kev Piav Qhia Luv:

Cov koob no yog cov khoom siv tshaj lij rau VARCO sab saum toj tsav, suav nrog qhov chaw, cua relay valve, ntau yam hex taub hau capscrews, NBR O-rings, WAB Hom D interlock, packing set, 840/860 nres lining & nres band, stuffing lub thawv packing set, packing adapter ring, shim, flexloc nut thiab lwm yam khoom.


Cov Lus Qhia Txog Khoom

Cov Cim Npe Khoom

Ua nrog cov qhov ntev thiab cov lus qhia qub, lawv tsim nyog rau kev saib xyuas thiab hloov VARCO sab saum toj tsav pneumatic, nres thiab kis tau tus mob, muaj kev sib khi txhim khu kev qha thiab haum zoo meej, kom ua tau raws li kev ua haujlwm ruaj khov ntev ntawm cov khoom siv roj drilling.

645323 TUS NEEG SAIB XYUAS
117989 NTSIAV, CAP-HEX-TAU, 1.0-8X6.0
2400680 HEX LUB TAUB HAU CAPSCREW DH, 5/8-11 X 1 1/2 GR5 CD PL
2405080 NTSIAV, DR HD HEX HD CAP 1-8UN X 2-1/2″ LG
7006397 NTSIAV, HEX SOC HD CAP 5/8-11 X
30114594 NTSIAV, CAP-HEX-HEAD, 1.25X6.5
30115757 NTSIAV, CAP-HEX (METRIC), TDS9S
30172172 NTSIAV, CAP-HEX TAUB HAU
30177155 HLOOV KHO, LUB TAUB HAU HEX
700044011 NTSIAV, HEX HD CAP 3/4 X 2 GR 5
50003-6-C5D NTSIAV, CAP-HEX HD 10-24
50003-8-C5D NTSIAV, CAP, HEX-HD 10-24
50004-06-C5D NTSIAV, CAP-HEX HD DRILLED, SOH=0, PN 500
50004-10-C5D NTSIAV, CAP-HEX HD DRILLED
50004-10-SD NTSIAV, CAP-HEX HD (UNC-2A)
50004-12-C5D NTSIAV, CAP-HEX HD (UNC-2A)
50004-13-C5D NTSIAV, CAP-HEX HD
50004-14-C5D NTSIAV, CAP-HEX HD (UNC-2A)
50004-4-C5D NTSIAV, CAP-HEX HD DR
50004-5-C5D NTSIAV, CAP-HEX HD (UNC-2A)
50004-5-SD NTSIAV, CAP-HEX HD (UNC-2A)
50004-8-C5D NTSIAV, CAP-HEX HD DR
50005-10-C5D NTSIAV, CAP-HEX HD DRILLED
50005-12-C5D Винт с шестигранной головкой/CAPSCREW,HEX HEAD,3/8-16UNC X 1.25,DH/50005-12-C5D (Varco)
50005-20-C5D NTSIAV, CAP-HEX HD (UNC)
50005-24-C5D NTSIAV, CAP-HEX HD (UNC)
50005-4-C5D NTSIAV, CAP-HEX HD
50005-6-C5D NTSIAV, CAP-HEX HD DRILLED
50005-8-C5D NTSIAV, CAP-HEX HD DRILLED
50006-05-C5D Lub hau ntsia hlau-Hex-Lub taub hau (UNC-24)
50006-08-C5D NTSIAV, CAP-HEX, 38 UNC X 1.00
50006-10-C5D NTSIAV, CAP-HEX HD DRILLED
50006-11-C5D NTSIAV, CAP-HEX HD (UNC)
50006-12-C5D NTSIAV, CAP-HEX HD DRILLED
50006-14-C5D NTSIAV, CAP-HEX HD (UNC)
50006-18-C5D NTSIAV, CAP-HEX HD DRILLED
50006-20-C5D CAPSCREW: HEX TAUB HAU DRILLED
50006-38-C5D Lub Taub Hau Ntsia Hlau-Hex Taub Hau
50006-4-C5D NTSIAV, CAP-HEX HD DRILLED
50006-5-C5D NTSIAV, CAP-HEX HD DRILLED
50006-6-C5D NTSIAV, CAP-HEX HD DRILLED
50006-7-C5D NTSIAV, CAP-HEX HD DRILLED
50006-8-C5D NTSIAV, CAP-HEX HD DRILLED
50007-10-C5D NTSIAV, CAP-HEX HD
50007-14-C5 NTSIAV, CAP-HEX HD (UNC-29)
50007-14-C5D NTSIAV, CAP-HEX HD
50007-18-C5 NTSIAV, CAP-HEX HD
50008-10-C5D NTSIAV, CAP-HEX HD DRILLED
50008-10-C8D NTSIAV, CAP-HEX HD DRILLED
50008-11-C5D NTSIAV, CAP-HEX HD DRILLED
50008-12-C5D NTSIAV, CAP-HEX HD DRILLED
50008-12-C8D NTSIAV, CAP-HEX HD DRILLED
50008-12-SD NTSIAV, CAP-HEX HD DRILLED
50008-13-C5D NTSIAV, CAP-HEX HD DRILLED
50008-14-C5 NTSIAV, CAP-HEX HD (UNC)
50008-14-C5D NTSIAV, CAP-HEX HD DRILLED
50008-15-C5D Lub Taub Hau Hex Capscrew (UNC-2A)
50008-16-C5D NTSIAV, CAP-HEX HD DRILLED
50008-18-C5D Lub Taub Hau Hex-Lub Taub Hau UNC
50008-20-C5D NTSIAV, CAP-HEX HD DRILLED
50008-30-C5D NTSIAV, CAP-HEX HD DRILLED
50008-36-C5D NTSIAV, CAP-HEX HD DRILLED
50008-7-C5D NTSIAV, CAP-HEX HD DRILLED
50008-8-C5D NTSIAV, CAP-HEX HD DRILLED
50008-9-C5D NTSIAV, CAP-HEX HD DRILLED
50010-10-C5D NTSIAV, CAP-HEX HD DRILLED
50010-12-C5D NTSIAV, CAP-HEX HD DRILLED
50010-14-C5D NTSIAV, CAP-HEX HD DRILLED
50010-16-C5D NTSIAV, CAP-HEX HD DRILLED
50010-18-C5D NTSIAV, CAP-HEX HD DRILLED, PHMD-1
50010-52-C5D NTSIAV, LUB HAUV PAUS HEX HD DRILLED, TDS
50012-12-C5D NTSIAV, CAP-HEX HD DRILLED
50012-14-C5D NTSIAV, CAP-HEX HD
50012-16-C5D NTSIAV, CAP-HEX HD DRILLED
50012-18-C5D NTSIAV, CAP-HEX HD DRILLED
50012-20-C5D NTSIAV, CAP-HEX HD DRILLED
50012-22-C5D NTSIAV, CAP-HEX HD DRILLED TDS
50012-24-C5D NTSIAV, CAP-HEX HD DRILLED
50012-26-C5 NTSIAV, CAP-HEX HD (UNC)
50012-26-C5D NTSIAV, CAP-HEX HD DRILLED
50012-28-C5D NTSIAV, LUB HAUV PAUS HEX TAUB HAU UAS TAUB HAU
50014-22-C5D NTSIAV, CAP-HEX HD DRILLED TDS
50016-10-C5D NTSIAV, CAP HEX-HEAD (UNC)
50016-12-C5D NTSIAV, CAP-HEX HD
50016-18-C5D NTSIAV, CAP-HEX HD DRILLED
50016-20-C5D NTSIAV, CAP-HEX HD DRILLED
50016-24-C8D NTSIAV, CAP HEX HD DRILLED
50016-26-C5D NTSIAV, CAP-HEX HD DRILLED
50016-28-C5D NTSIAV, CAP-HEX HD DRILLED
50016-32-C8D NTSIAV, CAP-HEX HD (UNC)
50016-48-C5D NTSIAV, CAP-HEX HD DRILLED, TDS
50016-64-C5D NTSIAV, CAP, HEX-HD, DRILLED
50020-24-C5D NTSIAV, CAP-HEX HD DRILLED, TDS
50020-24-C8D NTSIAV, CAP-HEX HD
50020-29-C5D NTSIAV, CAP-HEX HD DRILLED, TDS
50020-32-C5 NTSIAV, CAP-HEX HD (UNC)
50024-28-C5D NTSIAV, CAP-HEX HD DRILLED TDS
50067-040F07 NTSIAV, CAP, HEX-HD, METRIC
50068-012F08 NTSIAV, CAP-HEX HD
50070-025F06 NTSIAV, CAP-HEX, METRIC
5008-14-C5D NTSIAV, CAP-HEX HD DRILLED
55008-12-C5D NTSIAV, CAP-HEX, (UNF)
50069-050P06 NTSIAV, CAP HEX HD, METRIC
50070-030F06 NTSIAV, CAP-HEX, METRIC
30183797-M12-016-F04 NTSIAV, CAP-HEX HD METRIC CLS 10.9
50069-045P06 NTSIAV, CAP HEX HD, METRIC
30183797-M10-020-F04 NTSIAV, CAP-HEX HD METRIC CLS 10.9
30183797-M10-016-F04 NTSIAV, CAP-HEX HD METRIC CLASS 10/9
50005-6-C5 NTSIAV, CAP-HEX HD (UNC)
50069-025F04 NTSIAV, CAP HEX HD, METRIC
30183797-M20-080-P04 NTSIAV, CAP-HEX HD METRIC CLASS 10.9
983 Ntsia Hlau, Cap, Hex Hd
993 Ntsia Hlau, Cap, Hex Hd
3116 Ntsia Hlau, Cap, Hex Hd
3467 Ntsia Hlau, Cap, Hex Hd
3493 Ntsia Hlau, Cap, Hex Hd
3532 Ntsia Hlau, Cap, Hex Hd
3536 Ntsia Hlau, Cap, Hex Hd
3725 Ntsia Hlau, Cap, Hex Hd
3731 Ntsia Hlau, Cap, Hex Hd
3744 Ntsia Hlau, Cap, Hex Hd
5332 Ntsia Hlau, Cap, Hex Hd
5333 Ntsia Hlau, Cap, Hex Hd
5965 Ntsia Hlau, Cap, Hex Hd
5967 Ntsia Hlau, Cap, Hex Hd
5972 Ntsia Hlau, Cap, Hex Hd
8626 Ntsia Hlau, Cap, Hex Hd
11468 Lub hau ntsia hlau HexHd
13689 Lub hau ntsia hlau HexHd
14732 Ntsia Hlau, Cap, Hex Hd
16424 Ntsia Hlau, Cap, Hex Hd
270210 Lub hau ntsia hlau HexHd
50004-8-SD NTSIAV, CAP-HEX TAUB HAU (UNC-2A)
3506 Ntsia Hlau, Cap, Hex Hd, 1″-8UNCx7″, Gr8, Pld, Dr Thd
3533 Ntsia Hlau, Cap, Hex Hd, 38″-16UNCx34″, Gr8, Pld, Dr Hd
3534 Ntsia Hlau, Cap, Hex Hd, 12″-13UNCx1″, Gr8, Pld, Dr Hd
3537 Bolt, Hex Lub Taub Hau, 34″-10UNC x 4-12″, Chav Kawm 8, Electroplated, Pilot Qhov Hauv Xov Ntsia Hlau, Cap, Hex Hd, 34″-10UNCx4-12″, Gr8, Pld, Dr Thd
3742 Bolt, Hex Lub Taub Hau, 1″-8UNC x 3-12″, Chav Kawm 8, Galvanized, Pilot Threaded Screw, Cap, Hex Hd, 1″-8UNCx3-12″, Gr8, Pld, Dr Thd
6925 Ntsia Hlau, Cap, Hex Hd, 12″-13UNCx2-12″, Gr8, Pld, Dr Hd
7747 Ntsia Hlau, Cap, Hex Hd, 12″-13UNCx4-12″, Gr8, Plt, Dr Thd
8397 CAP SCREW, HEX TAUB HAU, 58-11UNC X 2.25, GR8
11159 Ntsia Hlau, Cap, Hex Hd, 58″-11UNCx3-12″, Gr8, Pld, Dr Hd
13557 Bolt, Hex Lub Taub Hau, 34″-10UNCx3″, Qib 8, Galvanized Lub Taub Hau Xauv Qhov Ntsia Hlau, Cap, Hex Hd, 34″-10UNCx3″, Gr8, Pld, Dr Hd
13574 Ntsia Hlau, Cap, Hex Hd, 58″-11UNCx2-34″, Gr8, Pld, Dr Hd
720823 Ntsia Hlau, Cap, Hex Hd, 14″-20UNCx3-12″, Gr8, Pld, Dr Hd
730958 Ntsia Hlau, Cap, Hex Hd, 1″-8UNCx2-34″, Gr8, Pld, Dr Hd
730959 Ntsia Hlau, Cap, Hex Hd, 58″-11UNCx1-34″, Gr8, Pld, Dr Hd
731018 Ntsia Hlau, Cap, Hex Hd, 1″-8UNCx7-12″, Gr8, Pld, Dr Hd
731028 Ntsia Hlau, Cap, Hex Hd, 38″-16UNCx1-34″, Gr8, Pld, Dr Hd
810277 Lub Taub Hau Hex Bolt, 58″-11UNC x 6″, Hloov Kho Screw, Cap, Skt Hd, 58″-11UNCx6″, Hloov Kho
1030247 Ntsia Hlau, Cap, Hex Hd, 1″-8UNCx8-12″, Gr8, Pld, Dr Hd
1030252 Ntsia Hlau, Cap, Hex Hd, 38″-16UNCx5″, Gr8, Pld, Dr Hd
1100067 Ntsia Hlau, Cap, Hex Hd, 58″-11UNCx2-12″, Gr8, Pld, Dr Hd
1390065 Ntsia Hlau, Cap, Hex Hd, 38″-24UNFx12″, Gr8, Pld, Dr Hd
5008246 Ntsia Hlau, Cap, Hex Hd, 38″-16UNCx2-34″, Pld, Dr Thd
5012175 Ntsia Hlau, Cap, Hex HD, 1″-8UNCx 4-18″, Gr8,2-14″ Lub Xub Pwg, Pld, Dr
5029570 Ntsia Hlau, Cap, Hex Hd, 14″-20UNCx3-14″, Gr8, Pld, Dr Thd
5045539 CAPSCREW, HEX TAUB HAU, 38-16UNC X 4.75, DH2
5061337 Ntsia Hlau, Cap, HexHd, 14-20UNCx2-34LG, Gr8, Pld, DrThd
12966 Ntsia Hlau, Cap, Hex Hd, 58″-11UNCx1-14″, Gr8, Pld, Dr Hd
14567 Ntsia Hlau, Cap, Hex Hd, 58″-11UNCx5-12″, Gr8, Pld, Dr Hd
978 Ntsia Hlau, Cap, Hex Hd, 1″-8UNCx2-12″, Gr8, Pld
16648 Ntsia Hlau, Cap, Hex Hd, 716″-14UNCx5″, Gr8, Pld, Dr Thd
995 Ntsia Hlau, Cap, Hex Hd, 34″-10UNCx4″, Gr8, Pld
6144 Ntsia Hlau, Cap, Hex Hd, 34″-10UNCx1-34″, Gr8, Pld
7746 Ntsia Hlau, Cap, Hex Hd, 12″-13UNCx2-14″, Gr8, Plt, Dr Thd
1013 Ntsia Hlau, Cap, Hex Hd, 38″-16UNCx1-14″, Gr8, Pld
5973 Ntsia Hlau, Cap, Hex Hd, 34″-10UNCx6″, Gr8, Pld, Dr Thd
992 Ntsia Hlau, Cap, Hex Hd, 14″-20UNCx2″, Gr8, Pld
720901 Ntsia Hlau, Cap, HexHd, 5/16″-18UNCx3/4″, Gr8, Pld, DrHd
50003-04-c5 NTSIAV, LUB TAUB HAU-HEX, # 10 X 1/2″, GR 5 ZC PL
7000208-11 NTSIAV, HEX HD CAP 3/8″-16X1″LG GR5 CD PL
50005-06-C5 NTSIAV, HEX HD CAP 5/16″-18 X 3/4″LG
50005-16-C5 NTSIAV, HEX HD CAP 5/16″-18 X 2″LG
50008-12-C8 NTSIAV, HEX HD CAP 1/2″-13 X 1-1/2″LG
50012-12-C8 NTSIAV, HEX HD CAP 3/4-10 X 3-1/2 GR 8CD PL
50005-10-C5 NTSIAV, HEX HD CAP 5/16-18 X 1-1/4″LG
50105-24-C NTSIAV, HEX SOC HD CAP 5/16″-18 x 3″LG, CD PL
50006-40-C5 NTSIAV, HEX HD CAP 3/8-16X5 GR5 ZINC PL
7000204-11 NTSIAV, HEX HD CAP 3/8″-16X1/2″LG GR5 CD PL
7000207-11 NTSIAV, HEX HD CAP 3/8″-16X7/8″LG GR5 CD PL
7000209-11 NTSIAV, HEX HD CAP 3/8″X1-1/4″LG GR5 CD PLT
50105-16-C NTSIAV.HEX SOC HD CAP 5/16″-18 × 2″LG.CD PL
50008-8-C8 NTSIAV, HEX HD CAP 1/2X1 GR8 ZINC PL
50005-08-C5 NTSIAV, CAP-HEX, 31 UNC X 1.0O
730578 Ntsia Hlau, Cap, HexHd, 3/4″-10UNCx10″, Gr8, Pld, DrHd
50012-15-C5D NTSIAV, CAP-HEX, .75 UNC X 1.88
50008-44-C5 NTSIAV, CAP-HEX, .50 UNC X 5.50
50006-06-C5 NTSIAV, CAP-HEX, 38 UNC X .75
50004-26-C5 NTSIAV, CAP-HEX, 25 UNC X 3.25
50014-32-C8D NTSIAV, CAP-HEX, 88 UNC X 4.00
50008-59-C5 NTSIAV, CAP-HEX, .50 UNC X 7.38
50008-52-C5 NTSIAV, CAP-HEX, .50 UNC X 6.00
50008-13-C5 NTSIAV, CAP-HEX, .50 UNC X 1.63
50006-12-C8 NTSIAV, CAP-HEX, .38 UNC X 1.50
50072-025F04 NTSIAV, CAP-HEX TAUB HAU (METRIC), 16MM X 25MM LG
50070-020F04 NTSIAV, CAP-HEX TAUB HAU (METRIC)
50004-06-C5 NTSIAV, CAP-HEX TAUB HAU
50012-30-C8 NTSIAV, HEX HD CAP 3/4″X 3-3/4″LG GR 8 ZC PL
50010-18-C8 NTSIAV, HEX HD CAP 5/8″-11 X 2-1/4″LG GR8

  • Yav dhau los:
  • Tom ntej no:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb

    Cov khoom cuam tshuam

    • 30154382, BEAM, GUIDE, SECTION HAUV QAB, TDS11SA GUIDE RAIL, 30154688, Guide beam kit, 30154685,1745423, Carriage assembly, Guide Beam Tieback kit

      30154382, BEAM, GUIDE, SECTION HAUV QAB, TDS11SA GUI...

      76442 GUIDE, ARM 111711 Guide Disc, 0.407 x 0.684, Hlau, VARCO 111711 118249 GUIDE, ASSY, STABBING, 5.2-6.6 122177 GUIDE, ASSY, STABBING, 6-6.6 122244 STAB-GUIDE, 5″-5.75″, ASSY, PH50 122245 STAB-GUIDE, 4″-5″, ASSY, PH50 122460 BEAM, GUIDE, INTERMEDIATE SECTION 123114 STAB-GUIDE, 7-7.5″, ASSY, PH50 124517 BEAM, GUIDE, INTERMED, 18 FT 128844 DAIM NTAWV QHIA, VARCO WASHPIPE ASSY GUIDE, LAMINATE 655007 TUBE CPT., PHAU NTAWV QHIA 30123114 PHAU NTAWV QHIA, 7-7.5″, ASSY, PH50 3012451...

    • TDS TOP DRIVE SPARE PARTS: BEARING MAIN 14P, NOV VARCO, ZT16125, ZS4720, ZS5110,

      TDS TOP DRIVE SPARE PARTS: BEARING MAIN 14P, TSIS MUAJ...

      TDS TOP DRIVE SPARE PARTS: BEARING MAIN 14P, NOV VARCO, ZT16125, ZS4720, ZS5110, Qhov hnyav tag nrho: 400kg Qhov ntsuas: Tom qab xaj khoom Keeb kwm: Tebchaws USA Nqe: Thov hu rau peb. MOQ: 1 VSP ib txwm cog lus tias yuav ua kom peb cov neeg siv khoom tau txais cov khoom lag luam zoo tshaj plaws hauv thaj chaw roj. Peb yog Chaw Tsim Khoom rau Top Drives thiab nws cov khoom siv thiab cov kev pabcuam hauv thaj chaw roj rau UAE cov tuam txhab drilling roj ntau dua 15+ xyoo, hom suav nrog NOV VARCO / TESCO / BPM / TPEC / JH SLC / HONGH ...

    • Lub Qhov (Plug Valve): Lub Qhov (Valve) Uas Muaj Siab Heev Rau Kev Ua Haujlwm Drilling

      Lub Vev Xaib Ntsaws: Lub Vev Xaib Hlau Uas Muaj Siab Siab Uas...

      Cov ntaub ntawv ua tau raws li ASTM thiab AISI cov qauv, thaum cov lus qhia txog kev siv tshuab ua tau raws li API Spec 6A. Cov li qub no muaj kev ua haujlwm zoo heev, kev ntseeg siab siab, kev siv yooj yim, thiab muaj zog hloov pauv tau. Cov kev sib txuas kawg sib xws nrog cov xov yeeb nkab thiab cov xov tubing, ua rau lawv haum rau ntau yam kev siv hauv qhov dej.

    • Triplex Av Twj Tso Kua Gardner Denver/Tsc/Oilwell/Nov Drilling Av Twj Tso Kua Qhov Chaw

      Triplex Av Twj Tso Kua Gardner Denver/Tsc/Oilwell/Kaum Ib Hlis...

      Nov yog daim ntawv teev cov khoom seem ntawm lub twj tso kua mis av nkos; GH3161-02.07 Lub Nplhaib Tso (I) GH3161-02.08.00 Lub Crankshaft Hollow GH3161-02.09 Lub Nplhaib Tso (II) GH3161-02.10.00 Lub Nplhaib Iav Loj GH3161-02.11 Lub Taub Hau: 1 1/2-8UN-2A×170 GH3161-02.12 Lub Nplhaib Spacer GH3161-02.13 Lub Tes Tsho Bearing Tseem Ceeb (Sab laug) GH3161-02.14 Lub Nplhaib Khaws GH3161-02.15 Lub Phaj Baffle GH3161-02.16 Lub Taub Hau Bearing Tseem Ceeb: 3-8UN-3A GH3161-02.17 Cov Shims Set GH3161-02.18 Cov Ntsia Hlau: 5/8-11UNC-2A×120 GH3161-02.19.00 Xauv Txiv Ntseej: 1 1/2-8UN-2B GH3161-...

    • NOV Top Drive Spare Parts, NOV TDS PARTS, VARCO TDS PARTS, NOV TOP DRIVE, 115217-1N2, M614003688,56501-6-8-S, 5061345

      NOV Sab Saum Toj Tsav Tsheb Spare Parts, NOV TDS PARTS, VARCO...

      Lub Npe Khoom: NOV Top Drive Spare Parts Hom: NOV, VARCO Lub Tebchaws Keeb Kwm: Tebchaws USA, CHINA Cov Qauv Siv Tau: TDS-8SA, TDS-9SA, TDS-10SA.TDS-11SA, TDS 4 SA, thiab lwm yam. Tus lej ntawm qhov khoom: 115217-1N2, M614003688,56501-6-8-S,5061345 Tus nqi thiab kev xa khoom: Tiv tauj peb kom tau txais kev hais nqe

    • PDM Laum (downhole Tsav Tsheb)

      PDM Laum (downhole Tsav Tsheb)

      Lub Cav Qis Qhov yog ib hom cuab yeej siv hluav taws xob uas siv hluav taws xob los ntawm cov kua dej thiab tom qab ntawd txhais cov kua dej siab mus rau hauv lub zog kho tshuab. Thaum cov kua dej fais fab ntws mus rau hauv lub cev muaj zog hydraulic, qhov sib txawv ntawm qhov nkag thiab qhov tawm ntawm lub cev muaj zog tuaj yeem tig lub rotor hauv stator, muab lub zog thiab qhov ceev tsim nyog rau lub laum rau kev laum. Lub cuab yeej laum ntsia hlau yog qhov tsim nyog rau cov qhov dej ntsug, kev taw qhia thiab kab rov tav. Cov kev cai rau th...