单项选择题

Regarding the factors that affect the reliability of the distribution network, the following is true ( ) .

A．Power Grid structure, equipment quality
B．Load level, automation level
C．The level of Operation Management
D．Power Grid structure, equipment quality, load level, automation level, the level of Operation Management

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热门试题

未分类题

By saying 'the contrast is extraordinary', the author means ______.A.English becomes a global languageB.native speakers of English have reached the number of at least 750 millionC.there might be one billion native speakers of EnglishD.many other nations have accepted the English language as their mother tongue

A.A.English
B.native
C.there
D.many

问答题

The object can be divided into direct object and _____.