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Operation precautions: closed operation, strengthen ventilation. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that the oper···...
时间:2018-04-12 浏览量:246The water treatment technology of the water softener on the market is ion exchange technology. The ion exchange resin in the water softener is usually sodium sulfonate ion exchange···...
时间:2018-04-12 浏览量:156Magnesium chloride can be divided into white tablets and ordinary tablets according to product quality. White tablets mainly refer to magnesium chloride produced by acid process, w···...
时间:2018-04-12 浏览量:131