Heating of the atmosphere can influence health through several routes.

大气升温能通过好几种渠道影响健康。

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Saving electricity through closed heating system.

本机采密封式加温，节省电力。

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General to add water to go through three stages of heating boiler, i. e.

一般给锅炉加水要经过三个加热阶段，即：给水被加热成饱和水；

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General to add water to go through three stages of heating boiler, i. e.

一般给锅炉加水要经过三个加热阶段，即：给水被加热成饱和水；

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