被电镀设备中的金属制具刮伤，如阴极头，烤箱定位器，导轮等。
Is the metal plating equipment with scratches, such as the cathode head, oven locator, guide rollers, etc.
介绍大冶有色金属公司冶炼厂制酸车间采用稀酸冷却净化工艺的设计以及新型设备的特点。
It gives introduction to the design and new type equipment features of dilute acid cooling and cleaning process of smelting gas used in the acid making plant of Daye Smelter.
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