名词手提钻
1. 手提钻：forbidden-character code 非法字符码 | jackhammer 手提钻 | magnetodynamo (点火用)高压永磁发电机-(充电用)直流发电机组
2. 轻型凿岩机：jack up rig 活动工捉台 | jackhammer 轻型凿岩机 | jacking 顶托
3. 凿岩机：jacket cooling 水套冷却 | jackhammer 凿岩机 | jacquard machine 提花机
1. " I was sometimes in very narrow veins of about one metre with a jackhammer, " Trichet recalled in an interview in August last year.
noun
1. a hammer driven by compressed air
Synonym: air hammer pneumatic hammer