Addition of ore as the autogenous medium can also effectively improve the washing efficiency.

添加矿石自介质也能够明显提高洗矿效率。

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As the washing procedure continues, impurities accumulate in the alkaline solution and cause a decrease in washing efficiency, and even make it invalid.

碱洗液随使用时间的延长，其中会累积大量杂质，造成碱液清洗效率下降而失效。

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The utility model effectively improves the washing efficiency, improves the washing quality, reduces the washing time and improves the device operating time ratio.

本实用新型有效提高了清洗效率、改善了清洗质量、压缩了清洗时间、提高了装置运转率。

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More consumers are also using high-efficiency washing machines, which clean with relatively little detergent.

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After Congress mandated new efficiency standards for washing machines in 2001, manufacturers responded.

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They also account for 92% and 70% of the benefits of new energy-efficiency standards for washing machines and refrigerators respectively.

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