站场验收时,仪表与节流装置或取压点连接的导压管路应保持垂直或与水平之间呈不小于()的倾斜.
A.1:10
B.1:5
C.1:20
D.1:15
参考答案:A
用指示代词this.that,these.those填空。
1、Is car yours?
2、Are shoes here hers?
3、The weather of Sichuan in summer is as hot as of Nanjing.
4、 is my hometown and building over there is my school.
5、The weather isn't very warm summer.
6、 is my pen, is yours.
7、What I want is , thank you very much.
8、I missed the bus. is why I am late.
9、What are over there?
10、 I like one, but Tom likes one.
桁架杆件的破坏形式可能出现()。
A.受拉或受压破坏
B.受弯或受拉破坏
C.受扭或受剪破坏
D.均有可能