氧化物涂层砂
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iron oxide coated sand media 涂铁砂滤料
Iron-oxide-coated sand 铁覆膜砂
iron-oxide coated sand 石英砂负载氧化铁
iron oxide coated sand 石英砂负载氧化铁
iron oxide-coated sand 包铁黄砂
aluminum-oxide-coated sand 氧化铝涂层砂
oxide-coated sand
敷氧化物砂
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
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