选择科学合理的充电方法将对延长蓄电池的使用寿命，节约经费开支，无疑是一项非常有意义的工作。
To select a scientific and reasonable charging method would be to extend the life of batteries and save expenditure, which is undoubtedly a very meaningful task.
试验结果表明：试验方法能够模拟涡轮叶片考核截面在实际工作状态下的应力场和温度，利用所提出的试验方法和分析技术得到叶片的寿命数据是合理的。
Test results show that the method can simulate turbine blade key section "s working" stress field "and temperature in the laboratory and give reasonable life data for turbine blade."
本实用新型的特点是：结构合理、工作可靠、钢绳不脱槽、使用寿命长。
The utility model has the characteristics of reasonable structure, reliable work, and long service life; the steel cable can not disengaged from the groove.
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