老实讲，我宁愿湖要一个外置的常寿命电池液而不是一个需要换来换去的可拆卸电池。
Frankly, I'd rather have an internal battery with a great life instead of a removable one I need to swap.
由于电机、油泵外置，其通风冷却条件好，运行安全，寿命长。
External motor and oil pump enable good ventilating and cooling conditions, safety operation and prolonged service life.
由于电机、 油泵外置，其通风冷却条件好，运行安全，寿命长。
External motor and oil pump enable good ventilating and cooling conditions, safety operation and prolonged service life.
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