split ring clutch

1 2 3 4 5 ... 批苇帘^ split reed screen 扣环离合器^ split ring clutch 分环整流子^ split ring commutator ...

直角三角形_馆档网 ... "开口环,拼合圈"," split ring" "环节离合器"," split ring clutch" "开口铆钉"," split rivet" ...