Cleaning leather seats can avoid dermal premature aging, the owner should clean up the oil leather on the timely and dust, has a great effect on the extension of the service life of the leather seats.
清洗真皮座椅能够避免真皮过早老化，车主应及时清理真皮上的油污以及灰尘，对真皮座椅的使用寿命有很大的延长作用。
This paper analysed the change of dust, inhalable particle and microorganism before and after air conditioning cleaning through experiment, and studied the effect of the air conditioning cleaning.
通过实验分析空调通风系统清洗前后积尘、可吸入颗粒物和微生物的变化情况，研究了空调通风系统清洗的效果。
Regular cleaning the screen: dust filter mesh, can jam reduce gas effect, changes in temperature should be about half a clean one.
定期清扫过滤网：灰尘会堵塞滤清器网眼，降低冷暖气效果，应半月左右清扫一次。
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