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1·Seal air is injected into the labyrinth seals located at the main motor shaft (top and bottom) and at the pinion shaft driving the motor.

密封空气被注入到主马达轴（顶部和下部）和驱动马达的齿轮轴的迷宫式密封里。

2·The driving power enters the differential through the drive pinion on the end of the propeller shaft.

也就是说，驱动力是从传动轴末端的传动齿轮输送到差速器的。