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外面看壳子度差不多，实际上新高强度钢材增加安全性很多

来源: soccer88 于 2016-02-24 14:21:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：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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