问题
问答题 简答题
什么是机身迎角？
答案
参考答案：
机身迎角是速度纵轴在直升机纵向对称面上的投影与机体纵轴之间的夹角。
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什么是机身迎角？
参考答案：
机身迎角是速度纵轴在直升机纵向对称面上的投影与机体纵轴之间的夹角。
| 选用方框内的动词的适当形式填空:, | |
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| 1. What _____ he usually _____ on Sundays? 2. Uncle Li _____ to Zhenzhen yesterday. He _____ back next week. 3. Grandpa _____ me an interesting story last night. 4. _____ your parents _____ working very late that day? 5. He came into the room and _____ a song for us all. 6. It _____ me half an hour to finish the work yesterday evening. 7. —_____ they _____ a get-together over there? —Yes, they are. 8. _____ the girl born in July or June? 9. He _____ goodbye to his father and left the home. 10. The man _____ the car very carelessly, so he had an accident. |