维摩诘呼 发表于 2017-5-18 15:12:15

IEC 60034-14：2007 Rotating electrical machines - Part 14：Mechanical vibrati

IEC 60034-14：2007  Rotating electrical machines - Part 14：Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits o

admin 发表于 2017-5-18 17:07:20

谢谢您的分享,金币已奖励!
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