分部分项 |
工程量(100m3) |
综合单价(元/100m3) | ||||||||||
业主提供清单量 |
承包商复核后预计量 | |||||||||||
A |
40 |
45 |
3000 | |||||||||
B |
30 |
28
[单选题]铁路上常用的防水砂浆多是以( )为主要成分的五矾防水剂配制而成。
A.碳酸钠 B.硅酸钠 C.氮酸钠 D.硫酸钠 [单项选择] ·Read the article about People Express. ·Choose the best word to fill each blank, from A, B, C or D. ·For each question 19—33 mark one letter (A, B, C or D )on your Answer Sheet. ·There is an example at the beginning.
|