left-hand threaded spindle的意思|示意
美 / /
英 / /
左螺纹主轴
left-hand threaded spindle的网络常见释义
左旋螺 ... left-hand threaded nut 左旋螺母 left-hand threaded spindle 左旋螺 right hand threaded spindle 右旋螺纹心轴 ...