下压式水压机
hydraulic down-stroke press
双动柱式压机
double-action column press
开杆式水压机
open rod hydrodynamic press
上压水压机
hydraulic up-stroke press
三梁四柱式多点成形压力机机架
frame of the multi-point forming machine
增压式四冲程筒形活塞发动机
supercharged four-stroke trunk engine
光柱式压力表
Bar graphic type pressure meter
水压柱塞泵
water hydraulic piston pump
hydraulic piston pump
water piston pump