hexagonal socket head cap screw
【机械工程】螺杆轴马达
screw spindle motor (screw spindle engine, screw motor)
暂无补充释义。
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hexagonal screw
screw feeder
TAPPING metal or other material [= screw-threading]
screw magazine
coach screw
screw slotting cutter
crank connecting rod hinge screw