For optimizing texture of down draft square separator to raise it s efficiency, the paper use experimental-cross method to plan and analyse the experiment, with the result that obtain the affacting degree of various factor and a optimum texture-arrangement scheme.
为了优化下出烟方形分离器的结构以提高分离器的分离效率 ,采用了正交实验法安排实验和分析实验结果 ,获得了分离器各影响因素对效率的影响程度 ,并得出了一种最佳结构搭配方
If you push down the clutch pedal, the engine is disconnected from the transmission
如果踩下离合器踏板，发动机就会脱离开传动系统。
You make sure the gear-lever's in neutral and the hand-brake's on; then you pull out the chocke and switch on the engine. Then you push down the clutch pedal
你要肯定安排档杆在空档，手闸要煞住；然后，拔出阻气门，开动发动机。然后踩下离合器踏板
You make sure the gear-lever's in neutral and the hand-Brake's on; then you pull out the choke and switch on the engine. Then you push down the clutch pedal.
你要肯定排档杆在空档，手闸要煞住;然后，拔出阻气门，开动发动机。然后踩下离合器踏板。
Don't ride the clutch or the Brakes.
不要把脚总踩在离合器或刹车踏板上
He pressed down the accelerator pedal of his car.
他踩下汽车的加速器踏板。
Let in the clutch slowly and quietly or it would jump forward sharply.
慢慢踩放离合器踏板，否则汽车就会猛烈向前跳动。
Clutch pedal free travel
离合器踏板自由间隙
He backpedaled for the sake of braking his bicycle.
他为了使脚踏车停下来而反踩踏板。
In some cars the driver has to step on a pedal to release the clutch, then shift the gears with a lever. In other cars all the shifting is automatic.
一些汽车的驾驶员用脚踩踏板来松开离合器，然后再用变速杆来换档。有些汽车的换档是自动的。
The brake (pedal) is between the clutch and the accelerator.
制动器（踏板）在离合器和加速器之间.
move or operate(a machine)by pedalling
踩动踏板驱动或操纵（机器）
to pedal rapidly to make the machine run smoothly.
快速踩踏板好让机器转得平稳。
Pedal rapidly to make the machine run smoothly
快速踩踏板好让机器转得平稳
To engage or disengage a motor vehicle's clutch.
踩离合器踩上或未踩上机动车的离合器
The driver pressed on the accelerator, savagely roaring the engine.
司机踩下油门踏板，引擎轰鸣。
He pushed hard on the brake pedal to avoid a collision.
他使劲踩下煞车踏板以避免撞车。
He push hard on the brake pedal to avoid a collision
他使劲踩下煞车踏板以避免撞车
take one's foot off the clutch
把脚从离合器踏板上抬起.