进入变速箱，万向节连接中心传动轴到内部锥齿轮。
Going into the gearbox, universal joints connect the centre drive shaft to the internal bevel gears.
变速箱采用常啮斜齿轮传动，结合套换档、双杆机械操纵，前进五档、后退四档。
Transmission : normally meshed helical gear drive, coupling sleeve shift and two lever operation. The transmission has five forward speeds and four backward speeds .
最后提出了行星齿轮变速箱传动方案的评价标准。
At the end of this article, an evaluation standard of planetary...
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