随着锌一次资源的减少，如何有效的回收利用热镀锌渣就显得十分重要。

The recovery of hot galvanizing scrap has been paid more attention with the decreasing of raw zinc resource.

youdao

随着锌一次资源的减少，如何有效的回收利用热镀锌渣就显得十分重要。

The recovery of hot galvanizing scrap has been paid more attention with the decreasing of raw zinc resource.

youdao