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								- Keywords copper pyrophosphate plating;additives;coating properties; 焦磷酸盐镀铜;添加剂;镀层性能;
 - The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
 - What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
 - Copper and gold are both metals. 铜和金都是金属。
 - Copper has less resistance than lead. 铜的电阻比铅的小。
 - Copper pyrophosphate; 焦磷酸铜;
 - copper pyrophosphate plating 焦磷酸盐镀铜
 - What color is copper sulfate solution? 硫酸铜溶液是什么颜色?
 - copper pyrophosphate 焦磷酸铜
 - A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
 - Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
 - This mountain road leads to the copper mine. 这条山路通向那个铜矿。
 - Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
 - We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
 - They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
 - Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
 - Copper conducts electricity better than iron does. 铜的导电性比铁强。
 - A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
 - The better additive quality of sodium pyrophosphate was 0. 其作用效果随浸泡时间的延长而提高,焦磷酸钠添加量为0。
 - The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
 
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