coupler knuckle
短语词组
- coupler knuckle lock 钩锁铁
- coupler knuckle thrower [铁路]钩舌锁铁
- coupler knuckle pin [铁路]钩舌销
- coupler knuckle pin hole 钩耳孔
- emergency coupler knuckle 紧急钩舌
- repair of coupler knuckle 钩舌堆焊修复
- emergency capacity coupler knuckle 紧急钩舌
- knuckle of coupler 翻译 返回 coupler knuckle