Briefly described are operating principle of the car body tilting on ICN train in Switzerland the car body tilting driving system and composition of the pantograph tilting device.

简要介绍了瑞士icn列车车体倾摆的工作原理，以及车体倾摆驱动系统和受电弓倾摆装置的组成。

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Methods such as macroscopic evaluation, metallography examination and chemical composition analysis were used to study the forming reason of crack in machining process of tyres for train.

采用低倍检验、金相检验及化学成分分析等方法对火车轮箍机加工出现裂纹的原因进行了分析。

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Research on the signal digitalization processing for ultrasonic inspection of train wheels is described including the design idea, composition and application results of the system.

介绍车轮超声波探伤信号数字化处理的研究，以及系统的设计思想、构成和现场应用效果。

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