名词
中文翻译：标签筒
同义词：
['label holder', 'label cylinder', 'label barrel']
例句：
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1.The engineer labeled the cylinder with the markings before shipping it out.
工程师在发货前给这个圆柱体做了标记。
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2.The label cylinder was used to label the contents of the container.
标签筒用来标记容器的内容。
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3. The cylinder was carefully labeled to ensure that the contents were not tampered with during transportation.
这个圆柱体被仔细地贴上标签，以确保运输过程中内容物没有被篡改。