lefthanded screw

同义词释义

1)left-handed screw,左旋螺杆;左旋螺钉;左旋螺旋桨2)left-hand airscrew,左旋螺旋桨3)left-handed screw bar,左旋螺杆4)left screw,左侧螺旋桨5)left spiral bolt,左螺旋锚杆6)left-hand screw drill pipe,左螺旋钻杆