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1 Jun 1997 Jahr - 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

Beschreibung:

#1997.6

标志着中国海洋技术已跻身世界先进行列

Zugefügt zum Band der Zeit:

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

ByGUZI
29 Sep 2024
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Datum:

1 Jun 1997 Jahr
Jetzt
~ 28 years ago
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