名词
中文翻译：Unknown
同义词：
['high-strength concrete']
例句：
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1.The construction of this bridge required high-density concrete for its foundation.
这座桥梁的建设需要高密度混凝土作为其基础。
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2.The engineers used high-density concrete to reinforce the structure.
工程师们使用高密度混凝土来加固结构。
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3.The new building is made from high-density concrete, which is more durable and resistant to fire.
这座新建筑使用了高密度混凝土，这使得它更加耐用且防火。