Jiaolong is the first operational deep-sea manned submersible designed independently in China. It is the most capable operational manned submersible in the world at present.

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Jiaolong is the first operational deep-sea manned submersible designed independently in China. It is the most capable operational manned submersible in the world at present.

A.正确

B.错误

正确答案：A

Tag：向世界讲述中国时间：2021-05-19 15:10:14

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