主动: initiative的: 4次方是 The fourth power of 2 i ...减速: moderate; reduce the speed; ...主动的减摇鳍: active antiroll fin主动的减摇水舱: active anti roll tank主动的减摇装置: activated roll damping device主动的: active driving; aggressive变速器的减速: untersetzung im getriebe gear ratio航天器的减速: spacecraft deceleration收超的减速板: zero airbrakes抽油机的减速装置: pumping gear传动轴的减速比: untersetzungverhltnis der antriebsachse axle ratio垂直配置的减速板: vertical speed brakes带电动机的减速器: motorized reducer带飞轮的减速齿轮: flywheel assisted reduction gear unit带飞轮的减速机: flywheel reduction gear带飞轮的减速器: flywheel reduction gear带活节的减速装置: articulated arrangement水平配置的减速板: horizontal speed brakes装在顶部的减速器: head gearbox主动减速: voluntary speed reduction主动减速板: active aerodynamic braking经济活动的减少: a decline in business activity干事主动的: initiative and creative积极的；主动的: active
