Qhov chaw ntawm Keeb Kwm: Suav tebHom Lub Npe: JCDRILLModel Number: NMLC HMCL AWG BWG NWG NWMHom: Multi-Rings ReamerKhoom siv: steelSiv: kev tshawb nrhiav core drillingLub npe: Reaming plhaub