动力换挡变速器
Powered shifting transmission
power shift gearbox
Power-shift transmission
变速换挡机构
Transmission shifting systems
换挡瞬态响应
shift-transient responses
节能换挡规律
Energy-saving gear shifting regularity
三参数换挡
Shift with three parameter
新型电液换挡变速器
new typed electro-hydraulic shifting variator
选换挡空位
Neutral position for gear-selection and shifting