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粉煤灰掺量
粉煤灰占胶凝材料质量的百分比。
来源:《粉煤灰混凝土应用技术规范 GB/T50146-2014》
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Archiver|手机版|小黑屋|牛马Next ( 苏ICP备17047105号-6 )Published by Stonespider

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