left hand worm

基本解释左旋蜗杆

网络释义

1)left hand worm,左旋蜗杆2)right hand worm,右旋蜗杆3)endless screw,蜗杆,螺旋4)hands of worm,蜗杆旋向5)helix of cylindrical worm,蜗杆螺旋线6)left-handed screw bar,左旋螺杆

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