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工厂供电中计算负荷P30的特点是(   )

单选题
2021-09-02 16:39
A、真实的,随机变化的
B、假想的,随机变化的
C、真实的,预期不变的最大负荷
D、假想的,预期不变的最大负荷
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正确答案
D

试题解析

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