However, due to the excrescent side lobe, the current drive efficiency is lower.
但由于存在多余副瓣，驱动效率较低。
Its advantages are high drive efficiency, soft start of electric motor, and overload protection.
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.
本偶合器传动效率高，可实现电动机软启动，过载保护。
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