speed change box

简明释义

变速箱

英英释义

例句

1.In racing, the driver must quickly shift gears using the speed change box to maintain optimal speed.

在赛车中，驾驶员必须快速使用变速箱换挡，以保持最佳速度。

2.He learned how to operate the speed change box during his driving lessons.

他在驾驶课程中学习了如何操作变速箱。

3.If the speed change box is malfunctioning, it can lead to poor acceleration.

如果变速箱出现故障，可能会导致加速不良。

4.The mechanic explained how to adjust the settings on the speed change box to improve the car's performance.

机械师解释了如何调整变速箱的设置以提高汽车性能。

5.The speed change box in this model allows for seamless transitions between different speeds.

这个型号的变速箱允许在不同速度之间无缝切换。

作文

In the realm of automotive engineering, understanding the components that contribute to a vehicle's performance is crucial. One such component that plays a vital role in how a car operates is the speed change box. The term speed change box refers to the mechanism within a vehicle that allows for the adjustment of speed through gear changes. This is commonly known as the transmission system. The transmission enables the engine to operate efficiently at various speeds, ensuring that the vehicle can accelerate or decelerate smoothly. The speed change box is essential for translating the engine's power into usable speed. When a driver presses the accelerator, the engine generates power, and the speed change box determines how much of that power is transferred to the wheels. This is done through a series of gears that can be shifted depending on the speed and load conditions. For instance, in manual transmissions, the driver has the ability to select gears manually, while in automatic transmissions, the system automatically adjusts the gears based on the vehicle's speed and engine load. Understanding the functionality of the speed change box can help drivers appreciate the nuances of driving. For example, when climbing a steep hill, a lower gear may be necessary to provide the required torque, whereas, on flat terrain, a higher gear can be used for better fuel efficiency. This adaptability is what makes the speed change box an integral part of a vehicle's drivetrain. Moreover, advancements in technology have led to the development of more sophisticated speed change boxes. For instance, continuously variable transmissions (CVTs) offer a seamless transition between gear ratios, providing a smoother driving experience. These modern speed change boxes are designed to optimize fuel efficiency and enhance performance, making them increasingly popular in today's vehicles. In conclusion, the speed change box is not just a mechanical component; it is a critical element that influences a vehicle's performance and driving experience. By understanding how the speed change box functions, drivers can make more informed decisions about their driving habits and vehicle maintenance. Whether it is a manual or automatic transmission, the speed change box remains a fundamental aspect of automotive design that warrants attention and appreciation.

在汽车工程领域，理解影响车辆性能的组成部分至关重要。其中一个在汽车运行中起着重要作用的组件就是变速箱。变速箱这个术语是指车辆内允许通过换挡来调整速度的机制。这通常被称为传动系统。传动系统使发动机能够在各种速度下高效运行，确保车辆能够平稳加速或减速。变速箱对于将发动机的动力转化为可用速度至关重要。当驾驶员踩下油门时，发动机产生动力，而变速箱决定了多少动力被传递到车轮。这是通过一系列齿轮实现的，这些齿轮可以根据速度和负载条件进行切换。例如，在手动变速器中，驾驶员可以手动选择档位，而在自动变速器中，系统会根据车辆的速度和发动机负载自动调整档位。理解变速箱的功能可以帮助驾驶员更好地欣赏驾驶的细微差别。例如，当攀爬陡坡时，可能需要较低的档位来提供所需的扭矩，而在平坦的地形上，可以使用较高的档位以提高燃油效率。这种适应性使得变速箱成为车辆动力传动系统的一个关键部分。此外，技术的进步导致了更复杂的变速箱的发展。例如，无级变速器（CVT）提供了齿轮比之间的无缝过渡，提供了更平滑的驾驶体验。这些现代变速箱旨在优化燃油效率并增强性能，使其在当今车辆中越来越受欢迎。总之，变速箱不仅仅是一个机械组件；它是影响车辆性能和驾驶体验的关键元素。通过了解变速箱的功能，驾驶员可以更明智地做出关于驾驶习惯和车辆维护的决策。无论是手动还是自动变速器，变速箱始终是汽车设计中需要关注和重视的基本方面。