短语词组短语vibrating pile -driver 振动打桩机hand pile -driver 人工打桩机Pile -Driver Operators 打桩机操作员hanyd pile -driver 薪金打桩机skid pile -driver 滑动打桩机Nasmyth pile -driver 纳史出斯汽锤打桩机pile -driver lead 打桩机导柱 返回 pile driver