名词
中文翻译：坚硬岩石
同义词：
['resistant rocks', 'hard rocks']
例句：
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1.The volcanic eruptions have caused the refractory rocks to break apart.
火山喷发已经导致坚硬岩石破裂。
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2.The engineers were tasked with designing a new type of refractory rock for the construction project.
工程师们被指派为建筑项目设计一种新型的坚硬岩石。
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3. The refractory rocks are resistant to chemical attack and are used in many industrial processes.
坚硬岩石对化学攻击有抵抗力，在许多工业过程中被使用。