有静电接地要求的钛管道及不锈钢管道,导线跨接或接地引线应采用钛板及不锈钢板过渡。
参考答案:对
Dear Dick,
How nice to hear you again. You want to know that is going on in schools in China? In short, thing have begun to improve from schools were called on to reduce learning load. I don’t know about others, but I used to have to work even at weekends doing endlessly homework and attending classes as well as. Now I have more free time. I can follow your own interests such as reading books, visit museums, and taking computer lessons. In the evening I could watch news on TV or read newspapers. What’s more, I can go to bed earlier. As far as I know, everyone is happy about this new arrange of things.
Best wishes,
Li Hua (words: 121)
招标项目的评标和定标活动应当在投标有效期结束日( )个工作日前完成。
A.15
B.30
C.45
D.60