Qhov chaw ntawm Keeb Kwm: Suav tebHom Lub Npe: JCDRILLModel Number: BTW NTW HTW PTWHom: Nto Core DrillingKhoom siv: HlauSiv: kev tshawb nrhiav core drillingNtev: 1.5m 3mLub npe: TW Series Core Barrel