名词
中文翻译：穿孔器
同义词：
['perforator', 'borer']
例句：
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1.The engineer used a maller perforator to drill holes in the wall.
工程师使用穿孔器在墙上钻孔。
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2.The maller perforator was essential for the construction of the bridge.
穿孔器对于桥梁的建设至关重要。
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3.The maller perforator was used to remove the old paint from the walls.
穿孔器被用来从墙上移除旧油漆。