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【单选题】

当连接螺钉对称布置,拧紧时应()

A.
按顺序逐个进行
B.
不按顺序进行
C.
按对称进行
D.
随意
举报
参考答案:
参考解析:
.
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举一反三

【单选题】对称三相绕组的特点不包括( )。

A.
每相的导体数、并联支路数相等
B.
导体规格一样
C.
每相导体或线圈在空间的分布规律一样
D.
三相绕组的绕法不同

【单选题】Now our biggest summertime question has been answered: Why do people look so much better in sunglasses Vanessa Brown, a senior lecturer of art and design at Nottingham Trent University, gave an inside...

A.
introduce the major functions of sunglasses
B.
describe the evolution of sunglasses
C.
explain why sunglasses improve appearance
D.
demonstrate how to make better use of sunglasses

【单选题】点(﹣2,4)关于x轴对称的点的坐标是 [ ]

A.
(﹣2,﹣4)
B.
(﹣2,4)
C.
(2,﹣4)
D.
(2,4)