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北京“7·21”特大暴雨之夜,很多人通过电视直播,目睹了被困在广渠门桥积水中的汽车的救援场面,也引发了很多疑问:一辆车,“仅仅”被4米深的积水淹没,驾驶员为什么就无法逃脱呢?汽车没入水中后,车门不是应该一推就开吗?车窗玻璃不是应该一砸就碎吗?这事儿的确没那么简单。误区之一:车门使劲一推就开了!车开到水里,没顶了!车门怎么也打不开了!初次听说这种事情,大家往往会觉得很惊讶:怎么就打不开了呢?使劲儿推一把不就行了嘛!真的“推一把”就行了吗?要回答这个“看起来无比简单”的问题,我们不妨做个思维实验粗略估算一下:在水下,车门
On the night of heavy rain in Beijing on July 21, many people witnessed the rescue of vehicles trapped in the water of Guangqumen Bridge via live television and caused many questions: a car that “only ”4 meters deep water flooded, why the driver can not escape it? After the car did not enter the water, the door should not be a push to open it? Window glass should not be smashed it? This thing is not so simple. Misunderstanding one: the door pushed hard to open! The car opened into the water, no roof! How can not open the door! For the first time I heard this kind of thing, we often feel very surprised: how can not open Really? “Push a” on the line? To answer this “looks very simple ”, we may wish to make a rough experiment about the experiment: In Underwater, car door