鮮果日誌櫻桃季

2012年9月3日 星期一

BBC News - Home: VIDEO: How to test a jet fighter helmet

BBC News - Home
The latest stories from the Home section of the BBC News web site.
thumbnail VIDEO: How to test a jet fighter helmet
Sep 2nd 2012, 23:17

Alan Jowett of BAE Systems explains how the modern digital smart helmets that his company manufacture in Rochester, England, are tested before being shipped to customers.

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