乐放网上注册 --China University of Petroleum-Beijing2
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14.5-km tunnel on China-Laos railway drilled through

2020-08-15 16:16:25

Summary:The 32-year-old civil engineering major at Tianjin University said he felt the need to accelerate his research work that was delayed in the first half of the year due to the COVID-19 epidemic. Following the epidemic outbreak, the university campus was closed and studies were moved online.

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TOP 乐放网上注册 --China University of Petroleum-Beijing2
News More+

14.5-km tunnel on China-Laos railway drilled through

2020-08-15 16:16:25

Summary:The 32-year-old civil engineering major at Tianjin University said he felt the need to accelerate his research work that was delayed in the first half of the year due to the COVID-19 epidemic. Following the epidemic outbreak, the university campus was closed and studies were moved online.

查看更多+
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