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1.This type of cement is used for heavy construction projects.
这种水泥用于重型建筑项目。
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2.The engineer carefully mixed the heavy magnesium carbonate into the concrete.
工程师小心翼翼地将重碳酸镁加入到混凝土中。
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3.Heavy magnesium carbonate is a common additive in water-based paints.
重碳酸镁是水基油漆中的常见添加剂。