BQ wireline overshot sib dhos

Lus piav qhia luv luv:

Qhov chaw ntawm Keeb Kwm: Suav teb
Hom Lub Npe: JCDRILL
Qauv nab npawb: AQ BQ NQ HQ PQ SQ
Hom: Nto Core Drilling
Khoom siv: Hlau
Siv: Pob zeb diamond core drilling
Ntev: 1.5m 3m
Lub npe: Core Drilling Wireline Core Barrel Head Assembly Overshot