Shanghai metro operation experience for the most of the bleak one day.
上海地铁运营经历了有史以来最黯淡的一天。
An extension of Shanghai Metro Line 2 to the airport is under construction.
延长上海地铁2号线到机场正在建设中。
The test device has been applied to Shanghai metro line 1, with excellent results.
目前该测试装置已在上海地铁1号线投入使用，效果良好。
The test device has been applied to Shanghai metro line 1, with excellent results.
目前该测试装置已在上海地铁1号线投入使用，效果良好。
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