名词
中文翻译：中心刮刀
同义词：
['central scraper', 'center plane', 'center plane tool']
例句：
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1. The center scraper is used to smooth the surface of a workpiece.
中心刮刀用于平滑工件的表面。
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2. The center scraper was used to remove the old paint from the wall.
中心刮刀用来清除墙上的旧油漆。
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3. The center scraper was used to level the floor before painting.
中心刮刀被用来在上漆前平整地板。