石膏晶体

gypsum crystal的用法和样例：

例句

This behavior can be explained by the changes in the strengths,the significant volume expansion and cracking caused by gypsum formation instead of ettringite.掺石灰石粉的水泥基材料主要因形成大量较大尺寸的石膏晶体而膨胀开裂。

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