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。
Gypsum breccia belongs to a new kind of breccia, which is dissovled by soluble suphate rock, and also belongs to a new type of special rock in engineering exploration.
膏溶角砾岩，是含膏盐岩系中的易溶硫酸盐岩溶蚀后的角砾岩，也是工程勘察中新发现的特殊性岩土的一种新类型。
Gypsum boards with mat reinforcement are selected for use according to their type, size, thickness and edge profile.
衬板增强石膏板是根据其类型，尺寸，厚度和边缘形状选用。
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