名词
中文翻译：缝纫机
同义词：
['sewingmachine', 'sewing machine parts']
例句：
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1. The fettling machine isused to repair and maintain the sewing machine.
缝纫机用于修理和维护缝纫机。
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2. The fettling machine was designedto make sewing easier for people with disabilities.
缝纫机设计为使残疾人更容易进行缝纫。
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3. The fettlingmachine is essential for maintaining the quality ofclothing production.
缝纫机对于保持服装生产的质量至关重要。