5月13日,我国第二艘航母从大连造船厂码头启航,赴相关海域执行海上试验任务,主要检测验证动力系统等设备的可靠性和稳定性。新华社发
China's first home-built aircraft carrier leaves Dalian in northeast China's Liaoning Province for sea trials on May 13, 2018. (Xinhua/Li Gang)
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