make-up gas

• 补充气体

make-up gas的用法和样例：

例句

1. If you are unfamiliar with the hazards associated with a particular gas, contact your supplier for additional information.
   如果你对与特定气体相联系的危险不熟悉，请与你的供应商联系，以得到补充资料。
2. The foul gas being siphoned from the roof, into the air from coming in to add that filtered fresh air.
   污浊的气体从天窗被抽走后，从进风口补充进来的是经过过滤的新鲜空气。