... satisfactory performance；良好的性能 satisfactory service life；良好的使用寿命 satisfy；使满意，使确信 ...
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为了保持良好的使用寿命，请严格按照说明书操作本充电器。
To assure maximum product longevity and quality, please follow the instructions carefully and faithfully.
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。
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.
试验路铺筑结果表明：纤维沥青混合料具有良好的使用效果，可延长道路使用寿命，降低养护成本，有较好的经济和社会效益。
The result of paving the experimental road section showed that the fiber asphalt mixture had good usage effect, longer road usage life, lower maintenance cost, and better economic and social benefit.
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