八速铲运机变速箱
eight speed scraper transmission
半自动换档机械式变速器
semi-automatic mechanical transmission
半自动液力变速器
semiautomatic transmission
闭环变速控制
Closed loop shifting control
变速比锥齿轮
transmission ratio bevel gear
变速-变桨距
variable speed-variable pitch
变速-变角
Adjusting rotational speed and blade angle
变速测量
Time-varying Velocity Measurement
变速成图
structure mapping by variable velocity
变速成图法
Variable velocity mapping method
变速成形
variable speed figuration