In reducing engine speed to an efficient propeller
In reducing engine speed to an efficient propeller speed by the use of reduction gears, _______.
A.speed and torque are both reduced
B.speed is reduced and torque remains unchanged
C.speed is reduced and torque is increased
D.speed is sometimes unchanged while torque is increased
请帮忙给出正确答案和分析，谢谢！
参考解答
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2024-06-14 17:26:59
正确答案：C
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