短语词组短语cable corridor laying 电缆层敷设cable e laying truck 电缆敷设车cable e laying ship 电缆敷设船cable -laying 成缆;电缆敷设cable tunnel laying 电缆隧道敷设Cable -laying Equip 线缆敷设设备cable e laying 电缆敷设cable duct laying 电缆排管敷设 返回 cable laying