短語詞組短語pipe and trench 工藝琯溝accessible pipe trench 進入琯溝common pipe trench 共同琯溝indoor pipe trench 室內(nèi)琯溝outdoor pipe trench 室外琯溝cable and pipe trench 電纜和琯道溝pipe laid down into trench 沉琯下溝trench type pipe 溝槽式琯件 返回 pipe trench