问题
问答题 简答题
什么是矩形管道绝热?当其需要加防雨坡度时。其人工、材料、机械应如何计算?
答案
参考答案:矩形管道绝热即为了减少热介质在矩形管道输送过程中的热量损失和冷量损失,在管道外部用绝热材料包缠。
矩形管道绝热需要加防雨坡度时,其人工、材料、机械应另行计算。
什么是矩形管道绝热?当其需要加防雨坡度时。其人工、材料、机械应如何计算?
参考答案:矩形管道绝热即为了减少热介质在矩形管道输送过程中的热量损失和冷量损失,在管道外部用绝热材料包缠。
矩形管道绝热需要加防雨坡度时,其人工、材料、机械应另行计算。
阅读理解。 | |
Welcome to Jin Ri Supermarket, a great place for shopping. There are everything you need. All the people can have everything on sale. For more information, you can read the ads or call 054-621-386.
| |
1. The supermarket _________. | |
A. will open on October 1 B. is having a holiday sale C. has sale prices everyday D. will close after holiday | |
2. What kind of tapes are on sale here? | |
A. Clothes B. Shoes C. Milk D. All of them | |
3. I bought two pairs of shoes in the sale, how much can I save? | |
A.$52.00 B.$70.00 C.$16.00 D.$8.00 | |
4. How long will the supermarket open a day? | |
A. seven days B. eight days C. ten hours D. twelve hours | |
5.Which of the following is TRUE? | |
A. The sale will last 12days. B. You can't buy things over the phone. C. The low price is only for special things. D. You can order things over the internet. |