问题
问答题 简答题
注入水中总铁含量、二氧化碳指标是多少?
答案
参考答案:
水中总铁含量不大于0。5mg/L;注入水中二氧化碳不大于30mg/L
注入水中总铁含量、二氧化碳指标是多少?
参考答案:
水中总铁含量不大于0。5mg/L;注入水中二氧化碳不大于30mg/L
选择所提供词组的适当形式填空,其中有2个是多余的。 | |
2. She was deeply touched. A man who can admit that he's homesick must love his home and _________ his family. He must be responsible. 3. _________ for your help, I invite you to spend the weekend with my family. 4. A man travels the world over _________ what he needs and returns home to find it. 5. Although he _________ many storms and met with all kinds of people, he always trust, and only trust the one-his mother. 6. They _________ animal bones, which they carved into basic tools. 7. Word means more than what is _________ on paper. 8. At first he didn't agree to my plan, but finally he ___________. 9. I remember the whole thing _________ it happened yesterday. 10. You should _________ a good example for your brothers. |