名词
中文翻译：重有色金属
同义词：
['heavy metals', 'heavy metals']
例句：
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1.The construction of the new bridge was heavily dependent on the availability of heavy non-ferrous metals.
新桥梁的建设严重依赖于重有色金属的供应。
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2. Heavy non-ferrous metals are often used in the production of electrical equipment.
重有色金属常用于生产电气设备。
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3. The mining of these metals requires specialized machinery and expertise to avoid contamination of the environment.
开采这些金属需要特殊机械和专业知识，以避免对环境造成污染。