名词
中文翻译：打孔机
同义词：
['tape dispenser', 'tape cutter']
例句：
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1. The tap changer is used to change the length of the tape.
打孔机用来改变带子的长度。
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2. The tap changer was easy to use and didn't require any special tools.
打孔机使用起来很容易，不需要任何特殊工具。
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3. The tap changer is an essential tool for anyone who works with tapes or rolls.
打孔机是任何人使用胶带或卷轴时必不可少的工具。