{HEAD ~ The system} is adapted to achieve a high speed of {TAIL ~ the motor} by energizing only the primary winding, a medium speed of the motor by energizing only the secondary winding, and a low speed of the motor by energizing both the primary winding and the secondary winding 
{ HEAD ~ The system } is adapted to achieve a high speed of { TAIL ~ the motor } by energizing only the primary winding , a medium speed of the motor by energizing only the secondary winding , and a low speed of the motor by energizing both the primary winding and the secondary winding
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