A week with dry compressed air or a copper brush cleaning machine back condenser more than once.
每周需用干燥的压缩空气或铜刷清理机台背部冷凝器一次以上。
Constant Volume Constant copper brush sliding contact characteristics of a good grip, noise, interference-free.
恒压卷恒铜刷握良好的滑动接触特性，噪音小，免干扰。
Formula and operating conditions of the procedures were described, high-packed alkaline copper deposit was adopted to act as interlayer and fast nickel brush deposit as working layer.
阐述了各工艺步骤的配方及操作条件。过渡层采用高堆积碱铜，工作层为快速刷镀镍。
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