yupeifeng2004 发表于 2021-1-5 14:51:25

VDI 2060-2014非线性振动系统的特征和识别-自由 强迫和自激振

VDI 2060-2014非线性振动系统的特征和识别-自由，强迫和自激振动Characteristics and recognition of non-linear vibratory systems - Free, forced and self-excited vibrations

admin 发表于 2021-1-7 11:54:26

谢谢您的分享,金币已奖励!
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