lahtj 发表于 2013-10-22 16:41:28

求 IEC 61400-11-2012

IEC 61400-11-2012
Wind turbines - Part 11: Acoustic noise meaurement techniques

sigh007 发表于 2013-10-22 16:41:29

IEC 61400-11-2012
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=36619&fromuid=1
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