ygs67 发表于 2018-2-1 17:12:24

ASTM F3063 F3063M-18

ASTM F3063 F3063M-18 Standard Specification for Design and Integration of Fuel-Energy Storage and Delivery System Installations for Aeroplanes.

admin 发表于 2018-2-2 14:55:51

谢谢您的分享，金币已奖励!
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