发电机的绝缘怎么样？是否处于良好状态？
How about the insulation of the generator? Is it in good order?
定子绝缘是阶级乙这些发电机是优雅的外观，严密施工，并易于维护。
Stator insulation is class B. These generators are elegant in appearance tight in construction easy maintenance.
三号发电机的绝缘电阻太低，请校正。
The insulation resistance of No. 3 generator is too low. Please rectify it.
定子绝缘是阶级乙这些发电机是优雅的外观，严密施工，并易于维护。
B. These generators are elegant in appearance tight in construction easy maintenance.
定子绝缘是阶级乙这些发电机是优雅的外观，严密施工，并易于维护。
B. These generators are elegant in appearance tight in construction easy maintenance.
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