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【多选题】
二次线路中的（ ）应按制造厂的规定进行。
A.
弱电回路绝缘电阻测定
B.
电流试验
C.
耐压试验
D.
回路动作检验
E.
回路动作检验
F.
电压试验
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers