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[会议论文] 作者：原勇記,江藤,元大,,
来源：机械技术史 年份：2000
It tries to want to describe what kind of effort and contrivance hane been accumulated so that people in the ancient may make the goods.The theme are pottery an...
[期刊论文] 作者：原勇記,白井靖幸,,
来源：机械技术史 年份：2000
The aircraft was produced from dream and yearning of the human that it wants to fly like the bird.In Japan,it is said that made and glided the glider in which o...
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