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降落伞为什么打不开
更新时间: 2020-10-29 00:00:00  

在下降的过程当中,由于故障和速度增加的同时发生,导致降落伞打不开的。伞面范围越大,在空气中张开的面积就大,受到的空气阻力就越大,所以降落伞下降的就慢。悬吊物越重,受到的向下拉的力就越大,所以降落伞下降的就快。伞面透气性差的降落伞,受到的空气阻力大,所以降落伞下降的就慢。

关键词: 降落伞 为什么

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