短语词组短语Ball lead -screw pair 滚珠丝杠副ball -screw drive mechanism 滚珠丝杠进给系统Ball - screw pairs 滚reversing -ball-screw 逆滚动螺旋high efficiency ball -screw 高效率的滚珠丝杠ball screw -jack 滚珠螺旋致动器;详细翻译 返回 ball-screw