From time to time she caught the flicker of a candle through the crack of a shutter--this was light and life; there were people there, and it reassured her.

有时，她从一家人家的窗板缝里望见一线烛光，那也就是光明，也就是生命，说明那里还有人，她的心也就安了。

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In order to maintain the surface gloss and service life of the electric rolling shutter door in Ji 'nan, the user must carry out regular cleaning and dust removal.

为了保持济南电动卷帘门的表面光泽和使用寿命，使用者一定要对其进行定期的清洁和除尘，对卷帘门的表面进行养护。

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In the daily use of rolling shutter door, we must carry out regular cleaning and maintenance, in order to effectively extend the service life of shutter doors, to ensure good performance.

在卷帘门的日常使用中，一定要对其进行定期的清洁和保养，才能有效延长卷帘门的使用寿命，保证性能的良好。

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