ygs67 发表于 2016-3-21 11:01:09

ASTM G113-14

ASTM G113-14 Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

admin 发表于 2016-3-21 16:39:10

谢谢您的分享，金币已奖励！

touda_mf 发表于 2017-4-17 11:49:34

:lol谢谢分享，正好需要:lol
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