The new - repaired residence is best after valid airiness change air for 3 months.

新装修的住宅最好在有效通风换气3个月后入住。

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Check the air filter instructions needles, if the window is red, clean or change air filter.

检查空气滤清器指示针﹐如果窗口成红色﹐应清洁或更换空气滤清器。

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Presently, induction motor is mostly used for frequency-change air conditioner compressor, but it has such drawbacks as low efficiency and complicated controller.

目前变频空调压缩机大多采用感应电动机驱动，而感应电动机效率低，变频控制器比较复杂。

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The shape of a snow crystal may change from one form to another as the crystal passes through levels of air with different temperatures.

VOA: special.2010.01.05

While your oil is changed, the sales associates will offer to change your air filter, perform a transmission fluid change and do a variety of other more profitable services in the hopes of increasing the profit margin.

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Any change to air quality in the mine means rescuers have to adjust their mix from above ground.

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Once inside, keep your windows closed, change your air filters, and run your air conditioner, Dr. Kao adds.

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