With the increase of the ratio of speedup passenger trains, the reduction coefficient increases first and then decreases, but the variation is small.
扣除系数随提速客车比例的增加先增大后变小，但变化幅度不大。
Planetary reducer motor with small size, light weight, wide range of reduction ratio, high transmission power, smooth running, compact structure, high bearing capacity.
行星减速电机具有体积小、重量轻、减速比范围广、传动功率高、运转平稳、结构紧凑、承载能力高等优点。
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