The track lift selects steel wheel whose life is as long as the whole machinery, while the tyres need replacement if necessary.
轨迹吊选用钢制车轮，寿命基本上能够确保和整机一样，而轮胎吊的轮胎需定时替换。
When violent rotating draw turning yellow track season replacement, The forest increasingly shows her with straight-Qi, it is not anything to a decorative Ease and arrogant.
当漫天旋转的枯黄划出季节更替的轨迹，秋林愈发显出她的秀颀与挺拔，那是一份不需要任何东西来装饰的洒脱和孤傲。
The large track maintenance machines were used in the railway engineering construction of replacement for ballast on the Guangzhou-Maoming railway line.
文章介绍了有关在广州-茂名铁路运用大型养路机械进行更换石碴施工的技术和经验。
The large track maintenance machines were used in the railway engineering construction of replacement for ballast on the Guangzhou-Maoming railway line.
文章介绍了有关在广州-茂名铁路运用大型养路机械进行更换石碴施工的技术和经验。
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