但是，由于液力偶合器的传动效率低，从而带来诸如散热、能源浪费等问题。
But because of weak efficiency, there exist a lot of problems such as heat scattering, energy waste and so on.
这极大地增加了效率，液力变矩器。
This dramatically increases the efficiency of the torque converter.
结果实际加工表明，这种方法与手工制模相比，大大提高了叶片型面的尺寸精度及液力变矩器制造效率，降低了成本。
Results As compared to manual modeling, it is showed in the application that this means not only improves the accuracy of blade shape and manufacture efficiency of converter, but also reduces costs.
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