crew intercommunication equipment的意思|示意

船员内部通信设备 ... crew gangway 船员步桥 crew intercommunication equipment 船员内部通信设备 crew intercommunication equipment 内部通信设备 ...

内部通信设备 ... crew intercommunication equipment 船员内部通信设备 crew intercommunication equipment 内部通信设备 crew landing permit 船员登岸许可证 ...