重要电力设施中的电气设施可按设防烈度提高1度，但设防烈度为（_爱下问搜题

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问题单项选择题

重要电力设施中的电气设施可按设防烈度提高1度，但设防烈度为（）时不再提高。

A.9度及以上

B.8度及以上

C.7度及以下

D.6度及以下

答案

参考答案：B

报关编码

含丝量≥85%制其他狭幅机织物

单项选择题

Questions

·Look at the ten statements for this part.
·You will hear a story about communication through time.
·Decide whetheryou think each statement is right(R) wrong(W) or not mentioned(NM).
·You will listen to it twice.

In social life, time plays a very important part.

A. Right

B. Wrong

C. Not Mentioned