Wastewater of after treatment can circulation employ, precipitate may be Used asf ert i 1 izer , not bring about environmental pollution.
除氟后的废水可循环使用,处理后产生的沉淀可以作肥料,不产生二次污染。
Wastewater of after treatment can circulation employ, precipitate may be Used asf ert i 1 izer , not bring about environmental pollution.
除氟后的废水可循环使用,处理后产生的沉淀可以作肥料,不产生二次污染。
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