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国产大客机C919第二次试飞！
source link: http://news.cnblogs.com/n/579195/
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5月5日14点01分，国产大飞机C919在上海浦东国际机场成功飞上蓝天，标志着中国航空事业一个新时代的开启。从5月份首飞之后，C919就没什么消息传出来了，第二次试飞到底会安排在什么时候并没有公布。让人没想到的是，今天早上C919悄然进行了第二次试飞。...
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