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for subject
Construction
containing
路轨
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all forms
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in specified order only
Chinese
English
正常闭合的轨道电路
closed track circuit
道砟清筛机应用于铁
路轨
道路基的中、重型道砟清理作业
The ballast cleaner is applicable for medium- and heavy-duty ballast cleaning operation of railway track bed
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