下压式水压机
hydraulic down-stroke press
内燃机式打桩机
internal combustion engine-type pile driver
开杆式水压机
open rod hydrodynamic press
上压水压机
hydraulic up-stroke press
四柱式水压机
four post hydraulic press
夹紧式压桩机
the sinking pile machine by clamping
人工拉绳式打桩机
bell rope hand pile driver