问题
单项选择题
研究表明,长空气间隙的操作冲击击穿通常发生在()。
A.波前部分
B.截断部分
C.结束时刻
答案
参考答案:A
研究表明,长空气间隙的操作冲击击穿通常发生在()。
A.波前部分
B.截断部分
C.结束时刻
参考答案:A
阅读理解。 | ||||||||||||||||||||||||||||||
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