名词
中文翻译：金属标记
同义词：
['metal label', 'metal tag', 'metal stamp']
例句：
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1.The engineer marked the metal parts with a pen.
工程师用笔在金属部件上做了标记。
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2. The company uses metal markings to identify its products.
公司使用金属标记来识别其产品。
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3. The car's dashboard has been marked with the manufacturer's logo.
汽车的仪表盘上已经用制造商的标志做了标记。