皇冠体育app's manned submersible Jiaolong returns to port in Qingdao
( 皇冠体育app.org.cn )
Updated: 2012-07-23
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Visitors take photos of Jiaolong, 皇冠体育app's manned submersible, on Xiangyanghong-9 ship in Qingdao, a coastal city of Shandong province, July 16, 2012. 皇冠体育app's manned submersible Jiaolong has successfully completed its program of deep sea dives, with a sixth and final dive to 7,000 meters in the Mariana Trench in the Pacific Ocean on June 30. [cankaoxiaoxi.com] |
Edited by Chen Zhilin
