sand filtering 中文意思是什麼
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Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization
除鐵錳裝置是我公司針對鐵、錳較高的地下水，按曝氣氧化法的原理而設計的系列產品，它是利用過濾器內裝填城然錳砂為濾料，利用空氣中的氧化劑，使水中的二價鐵，同時發生氧化反應使其物進截留在濾料中，從而達到除，除錳的目的。 -
Damming technique by sand - earth exchange with filtering fabrics and cushion with long tubular sackcloth
抽沙充填土工織物反濾布長管袋褥墊築壩技術 -
For economic reasons, we did much of the heavy work ourselves - transporting cement, sand, lime, and bricks from the foothills, tearing down the hut, mixing cement, filtering sand, and carrying bucketfuls of building material
為了節省開支，許多粗重的工作例如下山運水泥沙白灰磚，拆棚子拌水泥篩沙提灰桶等工作，我們都親自動手。 -
The structure characteristic sand control is in charge of being protected tube, base managing, internal and external network, filtering
結構特點防砂管由保護管基管內外網過濾層等組成。
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