China's unmanned submersible Qianlong 3 to conduct first dive

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China's self-developed 4,500-meter-level unmanned submersible Qianglong 3 will conduct its first dive in the South China Sea on Friday.

XinhuaUpdated: April 20, 2018


An April 15 photo shows Dayang Yihao, which carried the unmanned submersible Qianglong 3 and a research group of 70 people from Xiamen to the South China Sea. [Photo/Xinhua]

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