名词
中文翻译：金属部件
同义词：
['metal components', 'metal parts']
例句：
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1.The car has many metal parts that need to be replaced regularly.
这辆车有很多需要定期更换的金属部件。
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2. The machine is made of metal parts and has a strong structure.
这台机器由金属部件制成，结构坚固。
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3. The engineer carefully inspected the metal parts before assembling the machine.
工程师在组装机器前仔细检查了金属部件。