短语词组短語cable corridor laying 電纜層敷設cable e laying truck 電纜敷設車cable e laying ship 電纜敷設船cable -laying 成纜;電纜敷設cable tunnel laying 電纜隧道敷設Cable -laying Equip 線纜敷設設備cable e laying 電纜敷設cable duct laying 電纜排琯敷設 返回 cable laying