被冷却净化后的煤气经加压机，通过煤气管道输送使用。

Be cooling after purification of gas pressure machine, through the use of gas pipeline.

youdao

被冷却净化后的煤气经加压机，通过煤气管道输送使用。

Be cooling after purification of gas pressure machine, through the use of gas pipeline.

youdao