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.

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本偶合器传动效率高，可实现电动机软启动，过载保护。

Its advantages are high drive efficiency, soft start of electric motor, and overload protection.

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