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简要介绍备用电源自投装置动作原理(以110KV广教站装设的为例)。

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08-32捣固车GVA中将GVA输出的与手工输入的两种模拟量相加的是()。

A. 中央处理器板
B. 存储器板
C. 模拟量求和板
D. 数模转换板

Ariel is designing an application and would like to create response documents with a copy of the original doc in a collapsible section, one of the following @command, provided with the correct parameters, will allow her to do this ()

A. @command ([compose with copy])
B. @command ([compose with section])
C. @command ([compose with reference])
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