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。
The effects of C2N2H8 on the properties of copper brush plating solution and copper deposits are investigated in the present paper.
主要就乙二胺在电刷镀铜溶液中的作用及其对镀铜层性能的影响进行了试验研究。
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