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高速道岔是高速铁路轨道结构的关键，其结构与状态对列车运行安全和运行品质具有重大影响。
Highspeed turnout serves as a vital part of track structure for highspeed railway, and its structure and condition play an important role in train running safety and quality.
虽然在秦沈客运专线道岔研制过程中，开展了部分理论研究，但其研究成果已不能完整地指导目前的高速道岔设计。
Although we have progressed some theory research on develop of turnout on the Qinhuangdao-Shenyang dedicated passenger line, the production can not direct the design of the actual high speed turnout.
但我国目前的道岔维护都是故障后的维修，这在高速铁路上将严重影响线路的运营，甚至引发灾难性事故。
However, current maintenance for turnout is when the turnout in the event of failure. This will seriously affect the high-speed railway lines in operation, even cause catastrophic accidents.
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