问题
单项选择题
A类电气装置的接地应依据的主要标准是()。
A.GBJ65-1983《工业与民用电力装置的接地设计规范》
B.DL/T621-1997《交流电气装置的接地》
C.GBJ79-1985《工业企业通信接地设计规范》
D.GB16895《建筑物电气装置》系列标准
答案
参考答案:B
A类电气装置的接地应依据的主要标准是()。
A.GBJ65-1983《工业与民用电力装置的接地设计规范》
B.DL/T621-1997《交流电气装置的接地》
C.GBJ79-1985《工业企业通信接地设计规范》
D.GB16895《建筑物电气装置》系列标准
参考答案:B
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A. Sunday B. Monday C. Wednesday 小题2:The person who teaches Computer Science is from___________. A. Canada B. Australia C America 小题3:You may learn something about a disease called TB from __________. A. Dr. West B. Mr. Morison C. Mrs. Green 小题4:If you want to learn something about satellites(人造卫星), you can go to the class from______. A. 8:30 to 11:30 on Sunday B. 19:00 to 21:00 on Monday C. 19:30 to 21:00 on Wednesday 小题5:When you want to learn computer, you can ask for help. A. Dr. West B. Mr. Morison C . Dr. Lucy |