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усны шүүлтүүр мембран явцад цэвэршүүлэх өндөр түвшинд, мөн бүх чухал ач холбогдолтой ашигт малтмал нь ханасан дүүрэн байна. Эдгээр болон ижил төстэй системд ажиллаж буй мембран орчим шүргэх шингэн урсгалын зарчмыг мембраныг ашиглаж байна. Усны нэг сувгаар дамжуулан шүүлтүүр орж, хоёр орхидог. Энэ нь ус мембраны хоёр …
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