ultrasonic metal cleaning
ultrasonic metal cleaning
超声波金属清洗
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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In late 90's, with a view of environmental protection, people began to use ultrasonic instead of acidic solution to clean metal parts. It is a great innovation for cleaning technology.
由于环保因素,在九十年代后期,已改为超声波方法取代酸性溶液方法,这是工业清洗技术的一次重大革新。
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