浅孔爆破 short-hole blasting ; shallow hole blasting ; [矿业] shallow blasting
浅孔冲击钻 pole drill
城镇浅孔爆破 short-hole blasting in urban area
浅孔钻铣镗床 shallow drilling-boring-milling machine
浅孔用声波钻机 sonic drill for shallow hole
浅孔留矿法 Shallow-hole shrinkage mining ; short-hole shrinkage method
浅孔钻 short-hole drill
浅孔冰芯 shallow ice core
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