Though the analysis of the concrete track crosstie dehiscence, a new maintaining method is provided.
介绍了混损的类型及其原因,推出了一种适合混线路特点的养护作业方法。
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Each sleeper is 2.6 metres long and weighs 340 kilograms.
每个长 2.6 米,重 340 公斤。
The company also built two factories to produce concrete railway sleepers made from locally sourced raw materials, which form the base of the tracks.
该公司还建造工厂,生产由当地原材制成的混凝土,这构成道的基础。
" Not the things that… awakened … the sleeper." " Sleeper? " " It's here." He put a hand to his head and then to his breast.
“不是那… … 唤醒… … 沉睡者的东西。” “?” “它在这里。”他把手放在头上,然后放在胸前。
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