Qhov chaw ntawm Keeb Kwm: Suav tebHom Lub Npe: JCDRILLTus Qauv Zauv: YP36 YP47 JP75 JP95 JP110 JP130Hom: Ib Tube ReamerKhoom siv: steelSiv: kev tshawb nrhiav core drillingLub npe: Reaming plhaub