• 分析小五金产品滚黄铜层易产生黑斑原因,论述了黄铜层出现棕黑斑点零件基材腐蚀的开始。

    Causes of brown or black spots in brass barrel plating of small hardware were analyzed and some counter measures were put forward.

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  • 那些铜制器具表面了一层黄铜

    Those copper articles were superficially brassed.

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  • 化学镍加工凝汽器黄铜进行性能检测,镍管各项性能指标达到相关技术标准

    The plating performance of electroless nickel-plated condenser brass tubes was tested and all the performance indicators were in accordance with the related technology standards.

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  • 而且单钩和别子开锁时相对柔软黄铜镍层接触的时候,就会留下凿痕和磨擦的痕迹

    When contacting the softer brass or nickel-silver of locking components, pick and tension tools leave marks in the form of gouges and scratches.

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  • 为了获得最佳结果生产珍珠光亮镍、酸性黄铜成分参数进行了统计分析

    The component data of pearl nickel, bright nickel, acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained.

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  • 颗球的材质黄铜

    It is made from brass and nickel plated.

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  • 襟翼前面标志刻春季行动黄铜库珀钥匙工作

    Flap front has logo-engraved spring-action rhodium-plated brass Cooper lock with key fob and working keys.

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  • 采用粉末研究黄铜渗铝工艺

    The technique of aluminising on brass by powder plating method has been studied.

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  • 采用黄铜聚合物纸箱

    It is available in Brass Plated Black polymer, nickel, zinc etc. on reels or cartons.

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  • 采用黄铜聚合物纸箱

    It is available in Brass Plated Black polymer, nickel, zinc etc. on reels or cartons.

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