问题
问答题 简答题
还原期的主要任务?
答案
参考答案:
①脱氧至要求值;
②脱硫至一定值;
③调整钢液成分。进行合金化;
④调整钢液稳定。
还原期的主要任务?
参考答案:
①脱氧至要求值;
②脱硫至一定值;
③调整钢液成分。进行合金化;
④调整钢液稳定。
从下面方框中选择适当的词填入短文中,使短文通顺正确(注意有些词要用适当的形式)。 | |
home, the moon could still be seen in the sky. The morning air was cool and I felt wind on my face. This made us very comfortable. We laughed and talked (2) __________ the way while we were riding our (3) __________. By about six we were already sitting by the river. Fishing is not easy. If you want to be (4) __________, you must be very careful. That day we had another good catch. We caught a lot of fish and enjoyed ourselves very much. It was late when we got home. We felt a little tired (5) __________ happy. Fishing is a very good sport. I like it very much. |