There's no inert gas.

没有惰性气体。

Yeah. So, I have a lot of inert gas here.

所以我这里有大量的惰性气体。

In the presence of this inert gas, the air.

在有惰性气体，空气存在情况下。

Minimizes consumption of air or inert gas.

尽量少消耗空气或惰性气体。

So it's like an inert gas sitting on top of the water.

所以这里的情况是在水的上方,有一部分惰性气体。