The clinker product of Portland cement need to add gypsum to（）the（）process._精华吧

The clinker product of Portland cement need to add gypsum to（）the（）process.

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The clinker product of Portland cement need to add gypsum to（）the（）process.

正确答案：retard setting

Tag：材料概论时间：2022-01-18 21:17:49

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