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大型养路机械是一种优质、高效的现代化设备,它的投入使用延长了线路的维修周期,降低了工务职工的劳动量,在铁路的提速扩能中发挥了很大作用,
Large-scale maintenance machinery is a kind of high-quality and efficient modern equipment. Its investment and utilization has prolonged the maintenance cycle of the railway and reduced the labor of construction workers, which has played a great role in the speed-up and expansion of the railway,