本文研究了以黄沙或页岩代替粘土质原料配制水泥生料的易烧性。

The burnability of the cement raw meal prepared by shale or yellow-sand has been studied in this paper.

youdao

本文研究了以黄沙或页岩代替粘土质原料配制水泥生料的易烧性。

The burnability of the cement raw meal prepared by shale or yellow-sand has been studied in this paper.

youdao