松雨霞 发表于 2018-10-12 11:40:04

ASTM A517 A517M - 2017

ASTM A517 / A517M - 17
Standard Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered

admin 发表于 2018-10-14 09:49:13

谢谢您的分享，金币已奖励!

冷蓝色眼泪 发表于 2019-7-8 15:46:55

已下载，感谢分享，学习学习:lol
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