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当前学科:煤气站煤气操作考试
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原风机转速为2000转/分钟,相对应的轴功率为N
1
,当转速变为1000转/分钟时,对应的的轴功率为以下哪种?()
A . 0.5N
1
B . 0.125N
1
C . 0.25N
1
D . N
1
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