The injuries and influences of injurious ingredients contained in carbide slags used as calcareous raw materials for the production of cement were indicated.
指出了利用电石渣作为石灰质原料生产水泥时电石渣中有害成分的危害和影响。
2
It is important to produce cement by using calcareous materials with high MgO content.
用含镁较高的石灰质原料生产水泥具有重要意义。
3
Calcareous very grainy backdrop of lime makes the whole space including large TV set off a very cool, rough texture and mottled patches of cement to the wall varied.