名词
中文翻译:金属标记
同义词:
['metallic mark', 'metal token']
例句:
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1. The manufacturer marked the product with a unique serial number.
制造商在产品上打上了独特的序列号。
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2. The stamp on the envelope is a metalmark of the sender's identity.
信封上的印章是发件人身份的金属印记。
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3. The engineer used a metalmark to identify the location of the faulty part.
工程师用金属印记来识别故障部件的位置。