Research of the axial pin small tooth differece planetary gear drive
轴销式少齿差行星齿轮传动研究
On differecnce of spread effect between Beijing and Shanghai
京沪扩散效应比较研究
The Optimization Design of the Planetary Gear Reducer of Small Tooth Differece with the Biasing Crank Shaft
偏曲轴少齿差行星减速器优化设计
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