Design defects and hydraulic system elements aging are the main causes of the gantry milling machine's fault.

设计缺陷和液压系统元件的老化是导致龙门铣床出现故障的主要原因。

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Design defects and hydraulic system elements aging are the main causes of the gantry milling machine's fault.

设计缺陷和液压系统元件的老化是导致龙门铣床出现故障的主要原因。

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