1 . 蒸汽汽锤

drop hammer die 落锤模。drop hammer pile hammer 蒸汽汽锤。drop hammer tester 落锤试验机。

1 . 阀针跳动

制冷专业英语基本术语 ... 气体排除 gas purging，degassing，gasoff 阀针跳动hammering，needle hammer 阀振荡 hunting of a valve.

1 . 锤花缎

基础科学词汇接龙 ... 锤斧 lathing hatchet splitting maul 锤花缎hammered silk hammered satin 锤击

1 . 环锤式碎石

ring hammer hammer ( heavy hammer breaking machine ) suitable hardness and brittleness's category below the broken material .环锤式碎石机（重型锤破机)适用于莫氏硬度五级以下的脆性物料的破碎。