单项选择题
励磁系统电压响应时间应满足:上升时间(强励)不大于()s;下降时间(强减)不大于()s。
A.0.02,0.02
B.0.025,0.02
C.0.025,0.025
D.0.02,0.025
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单项选择题
A.0.02,0.02
B.0.025,0.02
C.0.025,0.025
D.0.02,0.025
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