tthung 发表于 2013-11-2 12:51:46

求 IEC 60633-2009 ed2.1

IEC 60633 ed2.1 Consol. with am1 (2009-07) Terminology for high-voltage direct current (HVDC) transmission

sigh007 发表于 2013-11-2 12:51:47

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