对提速货车用常接触弹性旁承的使用情况进行了调查，并对其调整方法提出了一种新设想。
The application of the constant-contact resilient side bearings for speed increased freight cars is investigated, and a new idea of adjustment method is put forward.
对提速货车用常接触弹性旁承的使用情况进行了调查，并对其调整方法提出了一种新设想。
The application of the constant-contact resilient side bearings for speed increased freight cars is investigated, and a new idea of adjustment method is put forward.
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