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引入质量系数法评定原状煤矸石经热活化后辅助胶凝性能的大小。
The mass coefficient was brought forward to assess the activity factor of original coal gangue.
youdao
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引入质量系数法评定原状煤矸石经热活化后辅助胶凝性能的大小。
The mass coefficient was brought forward to assess the activity factor of original coal gangue.
youdao