Exchanger (heat exchanger) : it is applicable to cool the treatment fluid used to feed pump, it has to be used in the duty-cycle operation of treatment fluid.

换热器(热交换器)：用于冷却供给泵的工作液，在工作液循环使用的过程中，必须具备。

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For color sequential operation display, the duty - cycle is very important for display quality.

时间占空比对于时序混色彩色显示器的显示质量来说，非常重要。

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NOTE It does not make the reverse operation during the normal duty cycle of the appliance. It may or may not require manual resetting.

在器具的正常工作循环期间，它不得造成反向工作，它可要求也可不要求其具有手动复位的功能。

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