switch point closure
... 道岔控制电源 power source for switch control 道岔密贴 switch point closure 道岔启动 switch starting ...
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提出了求解道岔转辙器部分尖轨与基本轨密贴区域内轮载在两钢轨上分布规律的力学模型与计算方法。
A mechanical model and its calculation method are advanced for calculating the variation regularity of load on the rails of the close contact section between switch point and stock rail.
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