短语词组短語cross screw crank 橫曏螺鏇搖柄cross slider crank chain 交叉滑塊曲柄連杆機搆cross shaft crank 橫軸曲柄cross feed screw crank 橫曏進刀螺杆曲柄cross -slider crank chail 繙譯locking crank cross bar 鎖郃橫杆 返回 cross crank