短語(yǔ)詞組短語(yǔ)pipeline utility -tunnel 綜合管溝public utility tunnel 公用隧道urban utility tunnel 城市市政隧道Utility Tunnel Project 共同溝項(xiàng)目underground utility tunnel 地下綜合管溝submarine utility tunnel 海底管廊the utility tunnel 城市共同溝multi -purpose utility tunnel 市政綜合廊道China Utility Tunnel Industry Alliance 中國(guó)城市地下綜合管廊產(chǎn)業(yè)聯(lián)盟 返回 utility tunnel