eddy current shaft-displacement and shaft-vibration monitor
half built up crank shaft [= semi-built-up crank shaft
longitude shaft and latitude shaft
vertical shaft fulcrum shaft sleeve
automatic gearshift law
bidirection piecewise gearshift integral PID control
Gearshift
换挡过程
变速装置
变速器
变速
换档机构
换档
变速排档
排挡
gearshift control group
gearshift control valve