题目内容

Which number would you dial for home nursing

A. 0734 442456.
B. 0734 442675.
C. 08675 559478.
D. 08675 564499.

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(4)d点的短路冲击电流ich为( )。

A. 55.41kA
B. 35.4lkA
C. 27.62kA
D. 65.4lkA

(5)d点的短路容量S"为( )。

A. 469.21MV·A
B. 526.5MV·A
C. 487.4MV·A
D. 505.59MV·A

The passage is mainly about

A. Christmas sales.
B. retailing business.
C. Internet population.
D. online shopping.

(2)d2前的综合阻抗有名值为( )Ω。

A. 0.665
B. 0.682
C. 0.657
D. 0.525