make-up gas的用法和樣例：
例句
- If you are unfamiliar with the hazards associated with a particular gas, contact your supplier for additional information.
如果你對與特定氣體相聯繫的危險不熟悉，請與你的供應商聯繫，以得到補充資料。 - The foul gas being siphoned from the roof, into the air from coming in to add that filtered fresh air.
污濁的氣體從天窗被抽走後，從進風口補充進來的是經過過濾的新鮮空氣。
