The utility model has the advantages of increasing the mechanical strength of the crank of the bent axle so that the utility model will not break even being overloaded.
优点是增强了曲轴曲柄的机械强度，使其在超负荷的情况下运行也不易折断。
To change tracks, bendable switches are used which consist of a continuous steel beam which is elastically bent by means of electro-mechanical setting drives.
若要改道，可采用曲性道岔。这些曲性道岔由无缝钢条组成，通过机电制导装置，使其柔性弯曲。
To change tracks, bendable switches are used which consist of a continuous steel beam which is elastically bent by means of electro-mechanical setting drives.
若要改道，可采用曲性道岔。这些曲性道岔由无缝钢条组成，通过机电制导装置，使其柔性弯曲。
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