... 毡制品 felt 迫降航线 forced landing line 发面酵母 bakers yeast ...
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forced landing line
迫降线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The performance estimating method of forced landing was discussed in this paper, and the methods of setting up the forced landing line and controlling the airplane were also analyzed.
为了保证迫降安全，讨论了空滑迫降性能的估算方法，分析了迫降航线的建立和飞行方法。
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