PDF(155 KB)
提速货车转向架交叉支撑装置寿命的研究
于国丞;刘志明;王文静
PDF(155 KB)
PDF(155 KB)
提速货车转向架交叉支撑装置寿命的研究
Research on the Life of Cross Sustaining Device for the Speeding-Up Freight Car Bogies
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