ball-screw drive mechanism
Ball-screw Drive Systems
Ball screw
滚珠丝杠
滚珠丝杆
滚珠丝杠副
球形螺钉
滚珠螺旋
球头螺钉
滚珠螺杆
Ball Screw Feeding System
ball screw transmission
Ball Screw Travel Deviation
ball-screw-electromagnetism-dynamic
high speed ball screw unit
internal thread of ball screw