名词
中文翻译：穿孔器
同义词：
['perforator', 'perforating machine例句：1. The perforator is used to create holes in metal sheets.（穿孔器用于在金属板材上打孔。）']
例句：
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1. The perforator is used to create holes in metal sheets.
穿孔器用于在金属板材上打孔。
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2.The perforator was designed to be easy to use and maintain.
穿孔器设计得易于使用和维护。
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3. The perforator is essential for the proper functioning of the machine.
穿孔器对于机器的正确运行至关重要。