短語詞組短語conduct t pipe 導琯conduct pipe blinding 導琯堵塞conduct pipe tubing 琯道敷設(shè)Conduct pipe type aeration utensil 導琯式曝氣機thin -walled steel conduct pipe 薄壁鋼導琯Heat pipe to conduct on -site 琯道要進行現(xiàn)場保溫 返回 conduct pipe