Standard and custom sized furnace air filters available.

可使用标准的或定制炉内空气过滤器。

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This invention relates to a kind of quick regulating-testing method for a bell shaped furnace air-fuel ratio regulating system.

本发明涉及一种罩式炉空燃比调节系统的快速调试方法。

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Shenwu puts up the initial investment to install a heat exchanger that preheats the air going into the furnace, slashing the client's fuel costs.

申武投资初期安装了一个热交换器，将进入炉内的空气预热，降低了客户的燃料成本。

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The furnace drew air from an underground tunnel to beneath the grate where the fuel was placed.

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Before you rush out and order a geothermal system, remember that furnace and air-conditioning technology has advanced as well, with new units 20% more efficient than a decade ago.

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Phoenix is an open-air blast furnace for much of the year.

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