four speed gear 四速排挡
four-speed position 四档位置
four-speed gearbox gear 四档变速箱齿轮
four-speed transmission 四档传动系
four-speed gearbox component 四档变速箱元件
four-speed gearbox 四速点轮速箱
four-speed gear box 四速变速箱
four-speed player 四速唱机
four-speed shutter 四速率快门
On a four-speed box the bearings are under load 25% of the time.
四档变速箱的轴承有25%的时间受载。
The Rover-designed two-speed transfer box shares a common case with the four-speed manual gearbox and has a vacuum-operated centre differential.
Rover设计的双速转移系统与四速手动变速箱一样使用同一个箱子，并有一个真空操作中心的细微差别。
It wasn’t the optional 7.5-liter Rocket V-8 with a Hurst-shifted four-speed that made this car so cool. Or the forward-facing third-row seat waaaaaaay in the back.
这辆车实在是太酷了，看看它居然标配带有四速切换模式的7.5升V8火箭发动机，再看看第三排座椅上可拆开的天窗。
应用推荐