第四系钻孔柱状图  Borehole Log of the Quaternary System

钻孔震测柱状图  bore-hole seismic logging

钻孔柱状剖面  caliper log

炸孔柱状图录  shot-hole log

直方图柱状图  histogram

直方图-柱状图  high frequency amplifier

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

数字钻孔图像  digital borehole images

水冲钻钻孔  hydrauger hole

挖柱孔钻  post-hole auger

用顿钻钻柱  bobtail

羽状钻孔  pinnate boring