脱硫石膏作水泥缓凝剂必须低温烘干。
The FGD gypsum should be dried at low temperature for the use of cement retarder.
水泥内加入缓凝剂了吗？
介绍了煤炭脱硫产物和它们作水泥缓凝剂、水泥混合材的研究。
Research and development of hot coal gas desulfurization with zinc-based sorbent;
介绍了煤炭脱硫产物和它们作水泥缓凝剂、水泥混合材的研究。
Research and development of hot coal gas desulfurization with zinc-based sorbent;
应用推荐