The preparation of red cement using activated red mudstone has been studied.

介绍利用活化红泥岩制备红色水泥的研究。

youdao

The preparation of red cement using activated red mud stone has been studied.

介绍利用活化红泥岩制备红色水泥的研究。

youdao

Dil stretched out on the bed, his body still covered with the grey and red dust of cement and newly fired brick from his day of labor at the construction site.

迪勒躺在床上，他的身上到处沾满了在工地干活时沾上去的灰尘，有灰色的水泥粉尘，还有新出窑的砖头上的红色粉尘。

youdao

This was the first "red flag" because a satisfactory cement job to the production string is fundamental to the safe operation on a go forward basis.

WSJ: The Oil Disaster Is About Human, Not System, Failure

Red tape from municipal and provincial governments gums up foreign investment, and the reduction in loans to cement and steel companies cuts all investment--including money for efficiency projects--to those industries.

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Given the two red flags that had been thrown up previously, one would have expected that as a precaution a cement plug would have been placed somewhere in the wellbore as a secondary pressure seal before this primary pressure control system (heavy mud) was evacuated from the wellbore.

WSJ: The Oil Disaster Is About Human, Not System, Failure