Once the impurities in the water or the cleaning solution sink into the holes of the hole plate, the majority can sink at the bottom and stop in order to avoid the secondary pollution.
水或洗涤液中的杂质一旦沉入孔板的孔中，其大部分就会沉入底部并且静止在那里，避免了二次污染。
Once the impurities in the water or the cleaning solution sink into the holes of the hole plate, the majority can sink at the bottom and stop in order to avoid the secondary pollution.
水或洗涤液中的杂质一旦沉入孔板的孔中，其大部分就会沉入底部并且静止在那里，避免了二次污染。
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