anhydrite for cement 中文意思是什麼
anhydrite for cement
解釋
水泥用硬石膏-
The result shows, for this composite cement system, retarding action of dihydrate gypsum is more obvious than that of anhydrite, meanwhile, anhydrite tends to cause setting time short and water needed increased
結果表明:二水石膏對該種復合體系水泥的緩凝作用比硬石膏明顯,硬石膏易引起復合體系水泥急凝和需水量增大。
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