gross exhaust gas

例句：

1. 1. The factory produces a large amount of gross exhaust gas every day.
   这家工厂每天产生大量的废气。
2. 2. The pollution from the factories is a major cause of the gross exhaust gas.
   工厂的污染是废气的主要原因。
3. 3. The government has implemented strict regulations to reduce the amount of gross exhaust gas in the city.
   政府已经实施了严格的规定，以减少城市中的废气量。