35.In June 2012, Jiaolong successfully dived 7020 meters deep in Mariana trench setting a new record of manned deep-sea submersible in China as well as a new world record for manned submersible. A: True B: False
35.In June 2012, Jiaolong successfully dived 7020 meters deep in Mariana trench setting a new record of manned deep-sea submersible in China as well as a new world record for manned submersible. A: True B: False
1