快硬磷酸镁-铁铝酸盐复合水泥的抗冻性研究
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Study on frost resistance of rapid-hardening magnesium phosphate-ferro-aluminate composite cement
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图3. 不同冻融循环次数后试件的强度 |
Fig. 3. Strength of the mortar specimens after different freeze-thaw cycles |
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