railroad crossing grinder
railroad crossing grinder
铁路道口磨床
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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From the function analysis of automatic hydraulic grinder for machining the railroad crossing, its mechanical system, hydraulic system and control system were designed.
从铁路辙叉液压自动磨床的功能分析入手，设计了其机械系统、液压系统、控制系统。
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