如何利用电石炉的炉气使它变废为宝，这不仅是节约能源也是净化空气、减少污染的一项综合性的措施。

Making use of furnace gas can not only convert the waste into a useful material, it is also a comprehensive measure to clean up the air and decrease the pollution.

youdao

如何利用电石炉的炉气使它变废为宝，这不仅是节约能源也是净化空气、减少污染的一项综合性的措施。

Making use of furnace gas can not only convert the waste into a useful material, it is also a comprehensive measure to clean up the air and decrease the pollution.

youdao