starting handle

简明释义

起动曲柄

英英释义

例句

1.After several attempts, I finally got the hang of using the starting handle.

经过几次尝试，我终于掌握了使用启动手柄的技巧。

2.To start the old tractor, you need to use the starting handle.

要启动这台旧拖拉机，你需要使用启动手柄。

3.When the engine fails to start, check if the starting handle is functioning correctly.

当引擎无法启动时，检查一下启动手柄是否正常工作。

4.My grandfather used to say that the starting handle was the key to his farming success.

我爷爷常说，启动手柄是他农业成功的关键。

5.The mechanic demonstrated how to properly turn the starting handle to avoid injury.

机械师演示了如何正确地转动启动手柄以避免受伤。

作文

In the world of machinery and engineering, various components play crucial roles in ensuring the smooth operation of machines. One such component that has historical significance is the starting handle, a device used to manually start engines, particularly in older vehicles and equipment. Understanding the function and importance of the starting handle can provide insights into the evolution of technology and the ingenuity of early engineers.The starting handle is typically a lever or crank that is attached to the engine's flywheel or crankshaft. When rotated, it engages the engine’s internal mechanisms, allowing it to start running. This method was especially prevalent before the advent of electric starters, which have become standard in modern automobiles. While it may seem outdated today, the starting handle represents a significant step in the development of automotive technology.Using a starting handle requires a certain level of skill and physical strength. The user must ensure that the engine is in the correct position to avoid kickback, a dangerous situation where the engine unexpectedly starts and could cause injury. This necessity for technique highlights the hands-on nature of early engine operation, contrasting sharply with the push-button convenience we enjoy today.The design of the starting handle has evolved over time. Early versions were often made of metal and featured a simple crank design. As technology progressed, manufacturers began to innovate, creating more ergonomic handles that provided better grip and leverage. This evolution reflects the broader trends in engineering toward user-friendly designs that prioritize safety and efficiency.Despite its decline in use, the starting handle still holds a nostalgic value for many enthusiasts of vintage cars and machinery. Collectors often seek out vehicles equipped with this feature, appreciating the craftsmanship and simplicity of older models. Additionally, some modern engines, particularly in agricultural machinery or classic cars, still utilize a starting handle as a backup starting method, showcasing its enduring legacy.In conclusion, the starting handle is more than just a mechanical component; it is a symbol of an era when manual intervention was necessary to operate engines. Its role in the history of engineering illustrates the progress we have made in technology and the ongoing appreciation for traditional methods. Understanding the starting handle allows us to appreciate the complexities of machine operation and the innovations that have shaped our modern world. As we continue to advance in technology, it is essential to remember these fundamental components that paved the way for contemporary engineering practices.

在机械和工程的世界中，各种部件在确保机器顺利运行方面发挥着至关重要的作用。其中一个具有历史意义的部件是启动手柄，它是一种用于手动启动发动机的装置，特别是在较旧的车辆和设备中。理解启动手柄的功能和重要性可以提供对技术演变和早期工程师聪明才智的洞察。启动手柄通常是一个杠杆或曲柄，连接到发动机的飞轮或曲轴。当旋转时，它会使发动机的内部机制工作，从而使其开始运转。这种方法在电动启动器出现之前尤其普遍，电动启动器已成为现代汽车的标准配置。虽然今天看起来有些过时，但启动手柄代表了汽车技术发展中的一个重要步骤。使用启动手柄需要一定的技能和体力。用户必须确保发动机处于正确的位置，以避免回冲，这是一种危险情况，发动机意外启动可能导致受伤。这种对技巧的必要性突显了早期发动机操作的动手性质，与我们今天享受的按键便利形成鲜明对比。启动手柄的设计随着时间的推移而不断演变。早期的版本通常由金属制成，具有简单的曲柄设计。随着技术的进步，制造商开始创新，创造出更符合人体工程学的手柄，提供更好的握持和杠杆作用。这种演变反映了工程领域朝着用户友好设计的广泛趋势，优先考虑安全和效率。尽管使用率下降，但对于许多复古汽车和机械爱好者而言，启动手柄仍然具有怀旧价值。收藏家通常寻求配备此功能的车辆，欣赏老款车型的工艺和简约。此外，一些现代发动机，特别是在农业机械或经典汽车中，仍然利用启动手柄作为备用启动方法，展示了其持久的遗产。总之，启动手柄不仅仅是一个机械部件；它是一个象征，代表了一个时代，当时手动干预是操作发动机所必需的。它在工程历史中的角色说明了我们在技术上取得的进步，以及对传统方法的持续欣赏。理解启动手柄使我们能够欣赏机器操作的复杂性以及塑造我们现代世界的创新。随着我们继续在技术上取得进展，记住这些为当代工程实践铺平道路的基本组件是至关重要的。