time-weighted average overall efficiency 时间加权平均全效率
It is better to use the weighted average efficiency to appraise the true condition of filters according to the weight...
为了更好的把握评价过滤器的真实使用情况，应该采用发尘量的加权平均效率进行评价。
It is better to use the weighted average efficiency to appraise the true condition of filters according to the weight of dust fed.
为了更好的把握评价过滤器的真实使用情况，应该采用发尘量的加权平均效率进行评价。
The average efficiency calculation method for hydraulic turbines is appraised. In consociation with practical examples, the purport and calculation method of weighted mean efficiency is elucidated.
对水轮机平均效率计算方法进行了评述，结合实例阐明了加权平均效率的意义和具体的计算方法。
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