特细砂混凝土
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extra fine sand concrete
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。
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