liuxilin1215 发表于 2015-8-29 18:59:37

UNI ISO 1996-1-2010 Acoustics Description, measurement and assessment of environ

UNI ISO 1996-1-2010 Acoustics Description, measurement and assessment of environmental noise Part 1: Basic quantities and assessment procedures

admin 发表于 2015-8-31 10:54:33

谢谢您的分享,金币已奖励!

t7345s 发表于 2015-9-8 23:33:14

意大利文标准...................
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