什么是回填灌浆?
参考答案:
用浆液填充混凝土或围岩与钢板之间的空隙和孔洞,以增强围岩或结构的密实性的灌浆,这种空隙和孔洞是由于混凝土浇筑施工的缺陷或技术能力的限制所造成的。
六、短文改错(本题有8小题,每小题1分,共8分)
I'm middle school student. I'm writing to tell you my problem with my mother. She is a doctor,
whom works very hard. She is strict with me, but she is too busy with her work that she found
little time to talk to me. I love her and I do well in my studies, and I still feel a little of afraid of
her because she loses her temper easily. I don't know how to communicate with her. I hope we
can sit down and exchange our feeling and thoughts. I hope we can understand each other well.
What can I do?
UOP的通用操作曲线是不是根据每套装置特定情况提供的?