rising reagent gas

例句：

1. 1.The rising reagent gas is a key component in the chemical reaction.
   上升反应气体是化学反应的关键成分。
2. 2. During the experiment, the rising reagent gas was observed to react with the solution.
   实验中观察到上升反应气体与溶液发生了反应。
3. 3. The rising reagent gas was carefully monitored to ensure the safety of the experiment.
   上升反应气体被仔细监控以确保实验的安全。