The construction of groundsill for the line and the water, electricity, gas, oil, material for testing, cables for connecting machines etc. are provided by the customers.
建筑地基的线及水，电，气，油，材料测试，电缆连接机器等，都提供了客户。
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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