就像一直松着阻气门在开车一样。
It is like driving your car with the choke out all the time.
大多数昆虫紧密气门，防止灰尘进入。
The spiracles of most insects can close to keep things like dust out.
大多数昆虫紧密气门，防止灰尘进入。
Spiracles of most insects can close to keep things like dust out.
磨削气门则需要更多的时间。
气门挺杆为一圆筒体，坐落在凸轮上。
这里描述的节气门体组件使用的铝铸件。
Throttle Body Assemblies described here use an aluminum casting.
提供了一个气门升程连续从零到最大范围。
Provides a continuous range of valve lifts, from zero to maximum.
在凸轮耳朵附近巩固与电缆扎匝的气门盖。
连续可变气门驱动系统。
当发动机冷却的时候，你要阻塞住它的气门。
为了将凸轮的运动传给气门需要一些附属装置。
To transfer the motion of the CAM upward to the valve, additional parts are needed.
苍蝇，和所有昆虫一样，通过无数微小的气门来进行呼吸。
Flies, like all insects, breathe through many tiny openings called spiracles.
摇臂向下移动的那一边推动气门杆以打开气门。
The downward-moving side of the rocker arm pushes on the valve stem to open the valve.
空气通过空气滤清器进入发动机，并进入节气门。
Air enters the engine through the air cleaner and proceeds to the throttle plate.
中空充钠气门并不是一个全新的概念，但是过去他们造价高昂。
Sodium infill valves are not a new concept, but in the past they have been extremely costly to build.
如果气门关闭不严，发动机就不能发挥出全部的功率。
If the valves do not close fully the engine will not develop full power.
当这发生时，气门弹簧紧紧地封闭气门口，叫做气门座。
As this occurs, valve springs pull the valve tightly closed against its opening, called the valve seat.
苍蝇，和所有昆虫一样，通过无数微小的气门来进行呼吸。
Nope. Flies, like all insects, breathe through many tiny openings called.
怠速转速控制逻辑是用于控制节气门关闭后的发动机转速。
The purpose of the idle speed control logic is to control engine speed at closed throttle.
通过油门踏板，你能控制经过节气门进入发动机的空气量。
You control the amount of air that passes through the throttle plate and into the engine with the gas pedal.
在这些极端恶劣的发动机环境中，传统气门材料无法承受这种“酷刑”。
In these extreme engine environments, traditional valve materials can't stand up to the punishment.
那金属轴叫凸轮轴，在发动机里的每个气门一般有各自的凸轮。
The metal shaft, called the camshaft, typically has individual cams for each valve in the engine.
一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。
The value-opening mechanism includes a valve lifter and a CAM on a camshaft.
一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。
The value-opening mechanism includes a valve lifter and a cam on a camshaft .
那金属轴叫凸轮轴，翣在发动机里的每个气门一般有各自的凸轮。
The metal shaft, called the camshaft, typically has individual cams for each valve in the engine.
为了保持汽车预想的速度，在汽车速度改变时应调整气门的位置。
Throttle position is changed as vehicle speed changes to keep the car at the desired speed level.
四冲程发动机的工作循环是以活塞在上止点、进气门打开为开始的。
The cycle of operation of the four-stoke engine begins with the piston at TDC and the intake valve open.
由于进气门关闭、排气门也已关闭，现在活塞上部的空间被密封了。
The space above the piston is now sealed due to the inlet valve closing and the exhaust valve having already closed.
发动机越来越小巧，却仍保留了大号发动机的动力密度，这时气门会承受更大的热量。
As engines get smaller, yet maintain the power density of a larger engine, the valves in them tend to take a greater beating.
因而具有较强的发动机气门摇臂机构总成及其它金属制品的开发、生产能力。
Therefore, we are comparatively strong in development and production of motor valve rocker framework assembly and other metal products.
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