China used to have a poor reputation for aviation safety
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送交者: 疫苗 于 2014-03-08, 01:17:08:
回答: Crashed 由 xname5 于 2014-03-08, 00:37:20:
but has greatly improved its safety record in recent decades, even as it has rapidly expanded the number of flights and built scores of new airports across the country.
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