Tundish-cover nodulizing process can reduce the smoke and dust effectively and the pollution of the atmosphere.

盖包法可以有效减少烟尘的排出，减少对大气的污染；

youdao

Tundish-cover nodulizing process can reduce the smoke and dust effectively and the pollution of the atmosphere.

盖包法可以有效减少烟尘的排出，减少对大气的污染；

youdao