缝纫机的使用期间应定期进行清扫。
Periodically clean the machine throughout the period of use.
在产品使用期间，请妥善保管此使用说明。
These Instructions for use should be kept for the duration of product use.
价格实惠，质量好，让在使用期间您享有高收入。
Low price, good quality, so that you enjoy using during high income.
产品使用期间请旋紧盒盖及出口盖，避免内部潮湿。
Please tie up the cover and the cap to avoid moisture inside.
耐疲劳强度特性在过滤材料的使用期间是非常重要的一项性能。
The fatigue strength property is very important in the application period for filtration material.
类皮质激素也许会掩盖有些传染病的标志，使用期间可能会是在感染期。
Corticosteroids may mask some signs of infection, and new infections may appear during their use.
类皮质激素也许会掩盖有些传染病的标志，使用期间可能会是在感染期。
Corticosteroids may mask some signs of infection, and new infections may appear during their use.
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