single acting steam hammer

... single acting steam engine 单动式蒸汽机 single acting steam hammer 单动蒸汽锤 single angle milling cutter 单角铣刀 ...

... 单作用气动桩锤||single acting pneumatic hammer 单作用蒸气桩锤||single acting steam hammer 弹簧现象||springing ...

... "单动式泵"," single acting pump" "单动式汽槌"," single acting steam hammer" "单动式压机"," single action press" ...