European and American refrigeration technology

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The coating machine generally needs to be equipped with a chiller as the cooling equipment of the coating machine (mainly cylindrical target). Cooling water must be added because of its high frequency and large current. When the current flows in the conductor, there is a skin effect, and the charge will accumulate on the surface area of the conductor, so that the conductor heats up, so a mesoporous tube is used as the conductor to add water for cooling.