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【简答题】
成套接地线必须用多股软铜线组成，其截面积不得小于（）平方毫米。
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反馈参考答案：
举一反三
【简答题】第一类防雷建筑物中当长金属物的弯头、阀门、法兰盘等连接处的过渡电阻大于多少Ω时，连接处应用金属线跨接？
【简答题】Downloads PLEASE NOTE: There is currently an issue downloading our files with Internet Explorer 8. When right-clicking the “Save target as...” link does not appear. W e are working to fix this problem...
【单选题】C4. Which of the following is a currently effective trade agreement?
A.
TPP Agreement
B.
NAFTA (North American Free Trade Agreement)
C.
GATT(General Agreement on Tariffs and Trade)
D.
European Union
【单选题】C4. Currently, the world's second-biggest economy is_______.
A.
The US;
B.
The European Union;
C.
China;
D.
Japan
【单选题】When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）
A.
An error will occur.
B.
Data passed between the client and the server is encrypted.
C.
User IDs and passwords are passed to the server unencrypted.
D.
User IDs and passwords are encrypted before they are passed to the server.
【单选题】David ( ) on a new database at the moment.
A.
currently work
B.
is currently working
C.
currently working
【简答题】第一类防雷建筑物中当长金属物的弯头、阀门、法兰盘等连接处的过渡电阻大于（）时，连接处应用金属线跨接。
【简答题】currently / you / on / working / are / W hat / ?
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