He was a tinkerer, inventor, patent holder, and had worked for the biggest engineering firm of all time, NASA.

 
  • 他做過(guò)修補匠,發(fā)明家,專(zhuān)利持有人,還給無(wú)論何時(shí)都是最大的工程技術(shù)公司NASA打過(guò)工。
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