钢帘线生产中，黄铜镀层存在一定缺陷。
Brass coating for steel tire cord has several disadvantages.
本文简要介绍了黄铜镀层成份分析仪的测量原理和结构。
The principle and structure of a composition analyzer are described.
对化学镀镍加工的凝汽器黄铜管进行了性能检测，镀镍管镀层各项性能指标均达到了相关的技术标准。
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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