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外麵看殼子度差不多，實際上新高強度鋼材增加安全性很多

來源: soccer88 於 2016-02-24 14:21:50 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

http://www.autosteel.org/~/media/Files/Autosteel/Great%20Designs%20in%20Steel/GDIS%202015/Track%202%20-%20Reed.pdf

 

http://www.autosteel.org/~/media/Files/Autosteel/Great%20Designs%20in%20Steel/GDIS%202015/Track%202%20-%20Malone.pdf

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