曲轴压直机 crankshaft straightening press

单柱可控冲程压直机 stroke-controlled single column straightening press ; controlled single column straightening press

同步压直机 synchronized press brake

直流升压机 DC booster ; DC step-up converter

直流均压机 DC balancer ; direct-current balancer

高压直流发电机 high tension direct current generator ; high tension d.c. generator

直压式合机 direct pressure closing

直通式压铅机 straight-through press for lead-sheathing cables ; straight-through lead press

液压直边压力机 hydraulic straight-sided press