The development process including the pass design and trial production of 50AT switch rail is introduced.

本文介绍了50AT道岔钢轨的开发研制过程中孔型设计及试制情况。

youdao

The present invention discloses welding repair method and welding wire for steel rail, Bell frog and switch rail.

本发明公开了一种钢轨、贝尔岔心和尖轨的焊修方法及其焊丝。

youdao

The influences of friction coefficient of the switch slide baseplate on the actuating force, and the minimum distance between the rail and the switch rail have been analyzed.

通过建立尖轨、滑床板模型，分析了不同滑床板摩擦系数对尖轨扳动力以及基本轨与尖轨最小间隔的影响，并进行了针对性的试验。

youdao

He had noticed that, when a heavy train passes over, a well-greased switch rail has some play, as if swimming in the grease.

NEWYORKER: Among Animals and Plants

New Haven line trains switch to third-rail power in Pelham, N.

WSJ: Commuters warned: Summer heat may slow Metro-North

Mr. Warren Buffett has his finger on the pulse of the early 21st Century economy and his interests easily seem to switch between a belief in resurgent rail traffic and faith in consumer food products.

FORBES: Move up http://i.forbesimg.com t Move down