gas producing bacteria

例句：

1. 1.These gas-producing bacteria can be used to treat wastewater.
   这些产气细菌可以用来处理废水。
2. 2. The gas-producing bacteria are responsible for the production of methane gas.
   产气细菌负责产生甲烷气体。
3. 3.Researchers have found that certain types of bacteria can produce gases that can be used as fuel.
   研究人员发现某些类型的细菌可以产生气体，这些气体可以作为燃料使用。