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【判断题】
封闭母线能防止因外物引起的母线短路。（）
A.
正确
B.
错误
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举一反三
【单选题】额定电压为15kV及以上全连式离相封闭母线在常温下分相绝缘电阻值应（）。
A.
≥100MΩ
B.
≥500MΩ
C.
≥1000MΩ
D.
≥2000M&Omega
【单选题】Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7, choose the best answer from the four choices marked A),...
A.
He collected it from the newspaper he subscribed to.
B.
He found it when thumbing through a magazine.
C.
He chanced upon it on a fridge when visiting a friend.
D.
He worked for the financial newspaper IBD.
相关题目：
【单选题】额定电压为15kV及以上全连式离相封闭母线在常温下分相绝缘电阻值应（）。
A.
≥100MΩ
B.
≥500MΩ
C.
≥1000MΩ
D.
≥2000M&Omega
【单选题】Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7, choose the best answer from the four choices marked A),...
A.
He collected it from the newspaper he subscribed to.
B.
He found it when thumbing through a magazine.
C.
He chanced upon it on a fridge when visiting a friend.
D.
He worked for the financial newspaper IBD.
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