A nonlinear finite element method was applied in the research of the collector head spring system of pantograph.

将非线性有限元理论应用于机车受电弓弓头弹簧系统的研究。

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A nonlinear finite element method was applied in the research of the collector head spring system of pantograph.

将非线性有限元理论应用于机车受电弓弓头弹簧系统的研究。

youdao