Terms for subject Oil / petroleum containing 扩孔

Chinese	English
下扩孔	under reaming
双功能管下扩孔器	dual type underreamer
反向扩孔	reverse reaming
孔内扩散	pore diffusion
定向型扩孔器	directional type hole enlarger
尖底扩孔	countersinking
扩伸式开孔器	expanding hole opener
扩孔	drill out
扩孔器	reamer
扩孔桩	belled pile
扩孔钻井	drilling under reamer
扩孔钻头	reaming bit
扩孔钻头	reamer bit
液压管下扩孔器	hydraulic underreamer
直槽扩孔钻	fluted drill
筒形扩孔器	barrel reamer (用于管线河流穿越施工)
翼状扩孔钻头	paddle reaming bit
钻进型扩孔器	drilling-type hole opener
钻进型牙轮扩孔器	drilling-type bit cone hole opener
锥形扩孔器	tapered increaser
锥形扩孔器	wedging reamer
锥形扩孔器	tapered reamer