When bent, a piezoelectric material turns that mechanical energy into electricity.

当这种材料被挤压而发生弯曲时，压电材料就能够将挤压它的机械能转化成电能。

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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。

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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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