jack-hammer

基本解释手持式风钻,风锅(风炮)

网络释义

1)jack-hammer,手持式风钻;风锅(风炮)2)jackhammer,手持式风钻;"风炮"3)hand-held air drill,手持式风钻4)hand hammer drill,手持式风镐5)pneumatic drill,手风钻6)hand held pneumatic boring tools,手提式风动钻具

用法和例句

Application of the horizontal smooth blasting of pneumatic drill to the excavation of protective layer of foundation surface of Permanent Ship Lock in Three Gorges Project;

手风钻水平光面爆破在三峡永久船闸建基面保护层开挖中的应用

jack-hammer

网络释义

用法和例句

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