Application of the medium, gas, gas dust, the flue gas, and so on.

适用介质，煤气、含尘气体、烟道气等。

youdao

Every family USES gas, we use it for cooking, taking a shower and so on.

每个家庭都在使用煤气，我们使用煤气来做饭，洗澡等等。

youdao

Every family USES gas, we use it for cooking, taking a shower and so on.

每个家庭都在使用煤气，我们使用煤气来做饭，洗澡等等。

youdao