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.
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。
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.
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。
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