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标题:
IEC 60034-14:2007 Rotating electrical machines - Part 14:Mechanical vibrati
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作者:
维摩诘呼
时间:
2017-5-18 15:12:15
标题:
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
作者:
admin
时间:
2017-5-18 17:07:20
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