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In an AC.synchronous motor electric propulsion plant,propeller speed is controlled by()
A.prime mover speed
B.number of energized main motor poles
C.propulsion generator field strength
D.electric coupling field strength
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更多 “ In an AC.synchronous motor electric propulsion plant,propeller speed is controlled by() A.prime mover speedB.number of energized main motor polesC.propulsion generator field strengthD.electric coupling field strength ” 相关考题
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