名词中文翻译
中文翻译：硬铜
同义词：
['hard copper', 'hard bronze']
例句：
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1.The tough pitch copper is used in the construction of electrical wiring.
这种硬铜用于电气线路的建设。
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2. The old copper coins were melted down and reused for making new ones.
旧铜币被熔化并重新用于制造新币。
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3. The copper wire is a crucial component in the production of electronic devices.
铜线是电子器件生产中的关键部件。