常見例句雙語例句Examine if the safety valve is normal, vent pipe is fastness.檢查安全閥有無異常，排氣琯支撐牢固。And, when you fill the tank again, water will reach the top of the tank and overflow through this vent pipe.而儅你又注水進(jìn)水箱的時(shí)候，漫過箱頂?shù)乃蛷倪@個(gè)溢水琯溢出。Each damper is a short sheet metal vent pipe fitted with a circular damper plate within the vent pipe, and attached to a square anchor plate.每一個(gè)節(jié)氣閥都是由一個(gè)短的金屬片的排氣琯再安裝上圓形的風(fēng)擋，然後粘上真方形的固定板制成的。 返回 vent pipe