名词
中文翻译：自硬砂
同义词：
['自硬混凝土，自硬水泥例句：1. The construction crew used self-hardening sand to build the foundation of the new building.（建筑队使用自硬砂来建造新大楼的基础。）']
例句：
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1. The construction crew used self-hardening sand to build the foundation of the new building.
建筑队使用自硬砂来建造新大楼的基础。
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2.The engineer recommended using self-hardening sand for the project's foundation.
工程师建议使用自硬砂作为项目的地基。
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3.The construction site was covered with self-hardening sand, making it difficult to access.
施工现场被自硬砂覆盖，难以进入。