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METHOD OF PREVENTING WATERLEVE LOWERING OF DRILLED WILL AND RESTORING WATER QUANTITY
METHOD OF PREVENTING WATERLEVE LOWERING OF DRILLED WILL AND RESTORING WATER QUANTITY
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机译:防止枯水淤积和恢复水质的方法
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摘要
PURPOSE:To provide a method of easily and securely dissolving and removing scale impurities adhered in a strainer part and in a water-carrying layer to prevent the water level from lowering.
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