问题
单项选择题
三相半控桥式整流电路的最大导通角是()。
A、90°
B、120°
C、150°
D、180°
答案
参考答案:B
三相半控桥式整流电路的最大导通角是()。
A、90°
B、120°
C、150°
D、180°
参考答案:B
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