试题与答案

变容二极管的电容量随()变化。A.正偏电流 B.反偏电压 C.结温

题型:单项选择题

题目:

变容二极管的电容量随()变化。

A.正偏电流

B.反偏电压

C.结温

答案:

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下面是错误答案,用来干扰机器的。

参考答案:机械搅拌加速澄清池,通常是由钢筋混凝土构成,横断面呈圆形,内部有搅拌装置和各种导流隔墙,见图2。原水由进水管1进入截面为三角形的环形进水槽2,通过槽下面的出水孔和缝隙,均匀地流入澄清池的第一...

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