对牵引吨位的计算，采用了曲线拟合的计算方法，能够在列车起动最短的时间、运行最短的距离内计算出牵引吨位。

By using the method of curve fitting to calculate the traction tonnage, we can gain the traction tonnage within short time and short distance after the locomotive start.

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分析了带有液体粘性传动装置的长距离带式输送机，在软起动过程中起动时间的长短对振动载荷的影响。

There are a lot of factors which affect dynamic load of the belt conveyors, and the smooth starting time is a improtance factor.

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