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ballast curing equipment
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ballast curing equipment
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工学
道砟设备养护用设备
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ballast curing equipment
道砟养护用设备
用于维修保养道砟与道床的养护用机械设备。道砟是铺设铁路道床的粗砂石或碎石,用于把列车及路轨重量分散在路基上,能降低列车经过时产生的震动及噪音。
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