题目内容

GB150《钢制压力容器》将焊接接头分为A、B、C、D四类，以下属于A类焊接接头的有（）

A. 筒体环焊缝
B. 球形封头环焊缝
C. 人孔接管纵焊缝
D. 封头拼接焊缝

查看答案

搜索结果不匹配？点我反馈

更多问题

洪洞大槐树下是移民外迁的集合点，是我国大移民的历史见证。位于山西省临汾市。

A. 正确
B. 错误

查看答案

保管自然损耗指哪些内容？

查看答案

水泵按工作原理可分为哪几类？

查看答案

You have just completed an OSPF implementation. While executing your verification plan, you determine that R1 is not able to establish full OSPF adjacency with R2. The show ip ospf neighbor comman d output on R1 shows that R2 is stuck in the INIT state. What could be the cause of this problem?（）

A. DR and BDR election errors between R1 and R2.
B. The R2 router has not received the OSPF hello packets from the R1 router.
C. Mismatched interface ma ximum transmission unit (MTU) configuration between the R1 and R2.
D. Mismatched OSPF hello interval configuration between the R1 and R2
E. Corrupted LSAs exchanges between the R1 and R2.

查看答案

GB150《钢制压力容器》将焊接接头分为A、B、C、D四类，以下属于A类焊接接头的有（）

A. 筒体环焊缝 B. 球形封头环焊缝 C. 人孔接管纵焊缝 D. 封头拼接焊缝

洪洞大槐树下是移民外迁的集合点，是我国大移民的历史见证。位于山西省临汾市。

保管自然损耗指哪些内容？

水泵按工作原理可分为哪几类？

A. 筒体环焊缝
B. 球形封头环焊缝
C. 人孔接管纵焊缝
D. 封头拼接焊缝