single acting hammer 单动式桩锤 ; 单动锤

Differential acting hammer 差动锤

double-acting hammer [机] 复动式锻锤

double acting hammer 双动锤

single-acting hammer 单式机锤

single acting pile hammer 单动打桩锤 ; 单动桩锤 ; 单动式打桩锤

single-acting steam hammer 单动汽锤

single acting hammer WESTBANK 单动式桩锤

double acting pile hammer 复动桩锤 ; 双动式打桩锤

single acting steam hammer 单动蒸汽锤 ; 单作用蒸气桩锤