The change of gypsum type and dosage was found through experiment to have large effect on the set accelerating and strength enhancement of cement.
试验结果表明，石膏品种和掺量的改变对水泥的促凝增强作用产生较大影响。
The change of gypsum type and dosage was found through experiment to have large effect on the set accelerating and strength enhancement of cement.
试验结果表明，石膏品种和掺量的改变对水泥的促凝增强作用产生较大影响。
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