根据《城镇燃气设施运行、维护和抢修安全技术规程》CJJ51-2006规定:带压开孔、

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问题:

根据《城镇燃气设施运行、维护和抢修安全技术规程》CJJ51-2006规定:带压开孔、封堵作业,开孔、封堵、下堵设备组装时应将各结合面擦拭干净,螺栓应()紧固。

A.强力

B.按顺序

C.均匀

D.交替

考点:天然气安全知识天然气安全知识题库
题型:单项选择题

用单词的适当形式填空。

1. He ________ (提供) me some money, but I refused.

2. Can you tell me how foreign students are ________ (对待) in your school?

3. She is shy to speak to ________ (不熟悉的) people.

4. Do you mind ________ (合用) the same room with me?

5. How many ________ (客人) were there at his birthday party?

6.  I can't ________ (许诺), but I’ll do my best.

7. Would you minds________ (分享) the meal with me?

8. The boy didn't ________ (认识到) his mistake.

9. I saw a very s________ (奇怪的) man on the street that day.

10. _______ (与……相比) his brother, he is quite tall.

题型:单项选择题

六边形ABCDEF,过顶点A最多能作对角线的条数是______,这些对角线将六边形分成三角形的个数是______,六边形的内角和是______.

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要了解一个病人一天的体温变化情况,可绘制______统计图.

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兴隆洼文化

题型:单项选择题

一个国家的银行向另外一个国家的借款人提供贷款服务这种行为属于以下哪一项?()

A.境外消费

B.跨境交付

C.商业存在

D.自然人流动

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