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由铁路货车提速至80～120公里／小时,而预测出提高12％的运力,这一似乎过于理论的数值,尚需时间与实践的检验。
The speed increase from railway wagons to 80-120 km / h, while the forecast of a 12% increase in capacity, seems to be too theoretical. It still needs the test of time and practice.