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.
在液力变矩器工作的高效率速比区域，分流传动的效率始终优于液力变矩器传动；
The results show in the region of high efficiency ratio for torque converter operation, power-split transmission efficiency is always better than that of torque converter transmission.
在高压力作用下，余隙容积的存在会降低液力端的容积效率。
In the effect of heavy pressure, the existence of the clearance volume will reduce the efficiency of the hydraulic end.
用于高速重型轨道机车，该液力传动箱为三循环园，具有宽广的高效率工作范围和强劲的牵引特性。
Being used in high-speed heavy railcar. This type of the Hydraulic Transmission Box has three circularities and higher efficiency in work scope. It is level separateness, and double outputs.
用于高速重型轨道机车，该液力传动箱为三循环园，具有宽广的高效率工作范围和强劲的牵引特性。
Being used in high-speed heavy railcar. This type of the Hydraulic Transmission Box has three circularities and higher efficiency in work scope. It is level separateness, and double outputs.
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