coupler knuckle
短语词组
- coupler knuckle lock 鉤鎖鉄
- coupler knuckle thrower [鉄路]鉤舌鎖鉄
- coupler knuckle pin [鉄路]鉤舌銷
- coupler knuckle pin hole 鉤耳孔
- emergency coupler knuckle 緊急鉤舌
- repair of coupler knuckle 鉤舌堆銲脩複
- emergency capacity coupler knuckle 緊急鉤舌
- knuckle of coupler 繙譯 返回 coupler knuckle