pantograph head
... 受电弓承槽 pantograph well 受电弓弓头 pantograph head 受电弓滑板 collecting pan ...
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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。
A nonlinear finite element method was applied in the research of the collector head spring system of pantograph.
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