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关注：1
2013-05-23 12:21
求翻译：尽管布雷格特兄弟俩和科尼进行了试验，第一架实用的直升飞机直到20世纪30年代才制造出来。伊戈尔·西科尔斯基在1939年建造了第一架真正成功的直升飞机vs—300。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
尽管布雷格特兄弟俩和科尼进行了试验，第一架实用的直升飞机直到20世纪30年代才制造出来。伊戈尔·西科尔斯基在1939年建造了第一架真正成功的直升飞机vs—300。
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2013-05-23 12:21:38
Although Bray brothers Gert and Kony was tested, the first practical helicopter until the 1930s was created. In 1939, Igor Sikorsky built the first truly successful helicopter aircraft vs-300.
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2013-05-23 12:23:18
Although the two brothers Bretton Woods, and the pilot, the first practical helicopter until the 20th century produced only 30 s. Igor Sikorsky in 1939 built the first truly successful helicopter vs - 300.
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2013-05-23 12:24:58
Although laid mines Brother Gutt and Corney has carried on the experiment, the first practical helicopter only then made until the 20th century 30's.Iraqi Gore · Sikorsky has constructed first true success helicopter vs-300 in 1939.
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2013-05-23 12:26:38
Although the buleigete brothers and coney was made on, the first practical helicopter produced from until in the 1930 of the 20th century. Yigeer·xikeersiji in 1939 and built the first truly successful helicopter vs-300.
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2013-05-23 12:28:18
Although Bray brothers Gert and Kony was tested, the first practical helicopter until the 1930s was created. In 1939, Igor Sikorsky built the first truly successful helicopter aircraft vs-300.
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