词语冲击钻机
解释hammer drill
hammer drill〔名词〕风钻,冲击式钻机,凿岩机详细»
hammer drill〔名词〕风钻,冲击式钻机详细»
hammer drill锤子钻详细»
冲击钻机〔名词〕percussion drill详细»
冲击钻机percussion [rock] drill percussive rig详细»