In this paper,a design by using P LC to realize automatic control of both-chamber vacuum brining furnace,and t he maintenance of vacuum furnace are introduced.
介绍了一种双室真空钎焊炉应用PLC进行自动控制的设计方案,以及真空炉维护方法。
This article presents the principle, configuration and characteristics of floating-bed ion exchanger with double chambers and double layers.
叙述了双室双层浮动床离子交换器的原理、结构及特点。
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