英语翻译Theory of operation The primary sun gear,being coupled t

英语翻译
Theory of operation
The primary sun gear,being coupled to the hydraulic motor by the inner race of the brake clutch assembly,turns with the motor.As the primary sun gear turns,the primary planet gears,which are meshed with the primary sun gear and ring gear,walk around the stationary ring gear,causing the primary carrier to turn in the same direction as the primary carrier to turn in the same direction as the motor shaft,but at a reduced speed.The primary carrier is meshed with the output sun gear which,therefore,turns in the same direction and at the same speed as the primary carrier.The output sun gear causes the output planet gears to walk around the ring gear,turning the output carrier and drum in the same direction as the primary carrier,but at a further reduced speed.