Use the months and days-of-the-month dividers to file the cards according to the date you promised to take action.

根据你承诺行动的日期将卡片放在不同的每日或每月的分类文档中去。

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Because of the short time use of oil on the belt after the operation, after due to excessive dust accumulation, final days and months multiplying belt damage.

就是因为其在皮带上使用了机油后短时间内可以运转，过后因大量灰尘聚集，日积月累最终皮带损坏。

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