向主管汇报维修和保养问题。
罗兰印刷机维修和保养是关键的，现在公司的生产线上经常会出现一些问题。
Roland printer repair and maintenance is the key, and now the company's production line problems often occur.
讨论了以一对夫妻作为被保险人，投保养老金(附死亡)保险时，其纯保费和责任准备金的计算问题。
The problem is dealt with of calculating a couple's net premium and reserve when they are insured against pension annuity (including death insurance) as insurants.
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