An additional precaution against dampness is to incorporate a waterproofing admixture, properly proportioned, to the cement, aggregates and water before the concrete is mixed.
此外，其防潮的另一种方法就是按一定的配合比在水泥、粗细骨料和水搅拌时加入防水剂。
An additional precaution against dampness is to incorporate a waterproofing admixture, properly proportioned, to the cement, aggregates and water before the concrete is mixed.
此外，其防潮的另一种方法就是按一定的配合比在水泥、粗细骨料和水搅拌时加入防水剂。
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