出口沙特32.5 t轴重磷酸盐漏斗车线路扭曲适应特性分析
출구사특32.5 t축중린산염루두차선로뉴곡괄응특성분석
Analysis of the Adaptability Features of the Phosphate Hopper Car with an Axleload of 32.5 t Exported to Saudi Arabia on Twisted Track
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