PSA吸附的原理是高温低压下吸附,低温高压下解吸,因而吸附压力越高越有利于吸收。
参考答案:错
Fill in the blanks. Complete the dialogua. 补全对话。
a.you b.yours c.mine d.my e.she f.him g.we
1. Hello! name is Li Lei.
2. Do often go to school?
3. The bicycle under the tree is .
4. My book is here, is under the table.
5. usually go to school together.
6. is a girl.
7. Please give a pen.
渣口爆炸多数是(),烧坏渣口引起爆炸。