single-throw crank shaft

1 2 3 4 5 ... 单线缝纫机^ single-thread sewing machine 单拐曲轴^ single-throw crank shaft 单投开关^ single-throw switch ...

... 单纹螺杆 single-threaded-screw 单拐曲柄轴 single-throw crank shaft 单肘节颚夹轧碎机 single-toggle jaw crushers ...