上颌窦底开孔钻 Sinustech reamer
石油钻孔开采 oil extraction
钻孔开启 broach
螺栓或开尾销孔钻头 bolt or cotter-pin drill
开孔孔隙度 open porosity; effective porosity
表土顿钻钻孔 spudding bit
大孔钻孔 big-diameter hole drilling
弓钻钻孔器 brace bit
精密深孔钻孔工具 precision deep hole drilling tool
平行钻孔钻架 gadding machine
深孔钻孔 deep hole drilling
生物钻孔孔隙度 boring porosity
数控深孔钻钻床 CNC drilling machine
水冲钻钻孔 hydrauger hole
钻孔、钻头、钻床 Drill
钻孔钻头 Boring bit
钻孔-钻削 drilling; Drill
钻头钻床钻孔钻 Drill
2.围绕于若干菌类的子囊开孔处的构造 tenaculum