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# 飞行

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    特吴屠 2026-04-19 进行了提
    飞机很重却能在空中飞行不掉下来。为什么飞机能飞起来?机翼有什么特殊设计?空气动力学是什么原理?飞机靠什么力量托举?飞行速度和升力有什么关系?
    0 赞同 1 回答
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    明哥 2025-09-27 进行了提
    气胸手术一年了能坐飞机吗?先坐小飞机再转大飞机,14小时,因为反复自发性气胸做了胸腔镜肺大疱切除术,坐飞机有没有危险,需要注意什么?
    0 赞同 3 回答
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    空想家 2025-09-26 进行了提
    怀孕21周,四维彩超显示胎儿正常,但有胎盘前置,能坐飞机长途飞行吗?飞行时间大概10几小时,有没有影响?需要注意什么?
    0 赞同 1 回答