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关注:1
2013-05-23 12:21
求翻译:The first test flight was again performed at Prag-Kbley in February 1945 with another jump at low altitude but without the ability to actually fly.是什么意思?![]() ![]() The first test flight was again performed at Prag-Kbley in February 1945 with another jump at low altitude but without the ability to actually fly.
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