Wu low low phosphorus iron ore, high quality. 武安鐵礦石低硫低磷，品質優良。
The results showed that the adsorption of the low phosphonic copolymer on the reactive sites of the brass specimen surface inhibited the anodic reaction. 結果表明，低磷共聚物在黃銅試片表面活性位置吸附抑制了陽極電化學過程。
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