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Tsev
LEEJ TWG PEB YOG
Leej twg Peb Cov
Daim ntawv pov thawj
khoom
Pob zeb diamond Core ntsis
Drill Pipe Casing
Khau Khau
HDD Drill Pipe
Casing Tube
Head Assembly & Overshot
Rod Shoe Bit
Wireline Core Barrel Assembly
Reaming Plhaub
Xov Xwm
Video
Hoobkas ncig saib
Tswjhwm
Tiv tauj peb
Txhua pawg
Tsev
LEEJ TWG PEB YOG
Leej twg Peb Cov
Daim ntawv pov thawj
khoom
Pob zeb diamond Core ntsis
Drill Pipe Casing
Khau Khau
HDD Drill Pipe
Casing Tube
Head Assembly & Overshot
Rod Shoe Bit
Wireline Core Barrel Assembly
Reaming Plhaub
Xov Xwm
Video
Hoobkas ncig saib
Tswjhwm
Tiv tauj peb
Drill Pipe Casing
Koj tseem nyob ntawm no:
Tsev>
khoom
>
Drill Pipe Casing
Tsis phim cov ntaub ntawv!
Pawg kub
xyaum qia
masonry core laum
laum ntsis pob zeb diamond taub
Hdd cev
45mm core laum ntsis
Core laum rau steel