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In order to study the effect of wheel harmonic wear on train operation safety. the simulation model of train-track-subgrade coupling system which considered rail and track plate vibration was established. According to the harmonic order of the first-order. sixthorder and eleventh-order in the wave depth of 0. https://www.getpureroutine.com/top-deal-chromasilk-7-35-7gm-golden-mahogany-blonde-online-sale-best-super/

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