平时清洁：与门板相同清洁方式。

Daily cleaning: Aame as the door cleaning method mentioned above.

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这个清洁工说：我跟平时一样在六点打扫了办公室。

I cleaned up the office at six as usual.

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当传感器发现面板表面的灰尘浓度达到一定水平时，自我清洁技术可以将其清除。

The self cleaning technology can repel dust when sensors detect concentrations on the panel's surface have reached a critical level.

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