问题
问答题 简答题
可逆式冷轧机中张力主要作用是什么？
答案
参考答案：
1）防止带钢在轧制过程中跑偏。
2）使带钢保持良好板形，横向延伸均匀。
3）降低金属变形抗力。
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可逆式冷轧机中张力主要作用是什么？
参考答案：
1）防止带钢在轧制过程中跑偏。
2）使带钢保持良好板形，横向延伸均匀。
3）降低金属变形抗力。
| 任务型阅读 | |||
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| 1. Lily's good friend is ___________. | |||
| 2. When Mary went to college in New York, she found Ana is her __________ now. | |||
| 3. At the age of _________, Ana and Mary spent a lot of time together in Canda. | |||
| 4. When Ben is late, Fanny usually ____________. | |||
| 5. When Ben got sick with flu, his best friend Fanny came to ___________ him. |