你如果不定期清扫垃圾，它就会积起来。
If you don't clear away the rubbish regularly, it will just accumulate.
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。
Regular cleaning the screen: dust filter mesh, can jam reduce gas effect, changes in temperature should be about half a clean one.
另外，作业时容易积存污水，所以作业结束后一定要排水和清扫浮球，并定期更换浮球。
In addition, operation easy to accumulate sewage, so after the end of job must drain and clean float, and regular replacement of the floating ball.
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