two speed gearbox

机械英汉词典-机械资讯-马棚网... ... two-speed axle 双速车轿 two-speed gearbox 双速齿轮箱 two-speed motor 双速电动机 ...

... front head gearbox (直升飞机)前旋翼减速器 two-speed gearbox 双速减速机 epicyclic gearbox 行星齿轮箱, 行星式变速箱 ...