尖锤；气錾；空鹤镐头；凿锤

錾平锤; 空鹤镐头; 气錾; 风铲

dropping hammer───[机]落锤；锻锤；打桩机

knapping hammer───碎石锤

knapping hammers───锤子

firing hammer───发火撞锤

shipping channel───船运通道，航运通道；运输通道

firing hammers───火锤

shipping fever───[兽医]船运热；牛败血症

He was chipping away at the rock with a hammer.───他在用铁锤把那块岩石一小块一小块地敲下来。

Trembling with fear, they found an old man with a hammer and chisel, chipping away at one of the headstones.───人害怕得浑身颤抖时，他们看到是个老头拿着铁锤和凿子，在一块墓石上凿着什么。

safety clip or retainer must be installed to prevent attachments, such as chisels on a chipping hammer, from being unintentionally shot from the barrel.───必须安装保险夹或护圈，以防止配件(如气錾的凿刀)从凿筒中意外飞出。

A safety clip or retainer must be installed to prevent attachments, such as chisels on a chipping hammer, from being unintentionally shot from the barrel.