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1 jun 1997 ano - 1997 中国自主研发的无缆水下深潜机器人 成功潜入水下6000米处进行科学试验

Descrição:

#1997.6

标志着中国海洋技术已跻身世界先进行列

Adicionado na linha do tempo:

人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

ByGUZI
29 set 2024
4
0
3810

Data:

1 jun 1997 ano
Agora
~ 28 years ago
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