lever handle

简明释义

杠杆手柄

英英释义

例句

1.When you flush the toilet, push the lever handle 杠杆把手 down.

冲水时，向下按lever handle 杠杆把手。

2.The lever handle 杠杆把手 on the window allows for easy ventilation.

窗户上的lever handle 杠杆把手 便于通风。

3.To open the door, simply pull down the lever handle 杠杆把手.

要打开门，只需向下拉动lever handle 杠杆把手。

4.He adjusted the height of the chair using the lever handle 杠杆把手.

他使用lever handle 杠杆把手 调整椅子的高度。

5.The lever handle 杠杆把手 broke, so we need to replace it.

lever handle 杠杆把手 坏了，所以我们需要更换它。

作文

In the world of mechanics and engineering, various tools and components play crucial roles in facilitating our daily tasks. One such component that often goes unnoticed but is essential in many applications is the lever handle. A lever handle is a simple yet effective device that allows users to apply force over a distance to perform tasks more efficiently. This mechanism can be found in numerous devices, from door locks to machinery controls, demonstrating its versatility and importance.The fundamental principle behind a lever handle is based on the law of levers, which states that when a force is applied at one end of the lever, it can lift or move a load at the other end with greater ease. This principle not only enhances the efficiency of manual tasks but also reduces the effort required by the user. For instance, consider a typical door; the lever handle allows us to open and close the door with minimal effort, thanks to the mechanical advantage it provides.In addition to convenience, the design of a lever handle is often ergonomic, ensuring that it fits comfortably in the hand. This design consideration is crucial, especially in applications where the handle is used repeatedly. A well-designed lever handle can prevent strain and fatigue, making tasks more manageable and enjoyable.Moreover, the materials used in the construction of a lever handle can significantly impact its durability and functionality. Common materials include metals like stainless steel and aluminum, as well as durable plastics. The choice of material often depends on the specific application and the environment in which the handle will be used. For example, a lever handle used in an outdoor setting must withstand weather elements, while one used indoors may prioritize aesthetics and comfort.The application of lever handles extends beyond just doors. In industrial settings, they are often found on machinery where operators need to control various functions. For instance, a lever handle on a piece of equipment might control the flow of materials or adjust settings, showcasing how integral these components are to efficient operation.Furthermore, the principles of the lever handle can be seen in various forms of technology. For example, in automotive design, the gear shift lever functions similarly, allowing drivers to change gears with ease. This innovation highlights how the basic concept of the lever handle has evolved and adapted to meet the needs of modern technology.In conclusion, the lever handle is more than just a simple tool; it embodies the principles of leverage and efficiency that are foundational to countless applications in our daily lives. Whether it's opening a door, operating machinery, or driving a car, the lever handle plays a pivotal role in enhancing our interactions with the world around us. As we continue to innovate and develop new technologies, the significance of the lever handle will undoubtedly persist, reminding us of the power of simple mechanical principles in shaping our experiences.

在机械和工程的世界中，各种工具和组件在促进我们的日常任务中发挥着至关重要的作用。一个常常被忽视但在许多应用中至关重要的组件就是杠杆手柄。杠杆手柄是一个简单而有效的装置，允许用户在一定距离上施加力量，以更高效地执行任务。这种机制可以在从门锁到机器控制的众多设备中找到，展示了它的多功能性和重要性。杠杆手柄背后的基本原理基于杠杆定律，该定律指出，当在杠杆的一端施加力量时，它可以以更轻松的方式提升或移动另一端的负载。这个原理不仅提高了手动任务的效率，还减少了用户所需的努力。例如，考虑一个典型的门；杠杆手柄使我们能够以最小的努力打开和关闭门，这要归功于它所提供的机械优势。除了便利性，杠杆手柄的设计通常是符合人体工程学的，确保其舒适地适合手掌。这种设计考虑在需要重复使用手柄的应用中至关重要。一个设计良好的杠杆手柄可以防止劳损和疲劳，使任务变得更易管理和愉快。此外，构成杠杆手柄的材料可以显著影响其耐用性和功能性。常见的材料包括不锈钢和铝等金属，以及耐用塑料。材料的选择通常取决于特定应用和手柄将要使用的环境。例如，用于户外环境的杠杆手柄必须能够抵御天气元素，而用于室内的手柄可能更注重美观和舒适性。杠杆手柄的应用不仅限于门。在工业环境中，它们通常出现在机器上，操作员需要控制各种功能。例如，某台设备上的杠杆手柄可能控制材料的流动或调整设置，展示了这些组件在高效操作中的重要性。此外，杠杆手柄的原理可以在各种技术形式中看到。例如，在汽车设计中，换挡杆的功能类似，允许驾驶员轻松换档。这一创新突显了杠杆手柄的基本概念如何发展并适应现代技术的需求。总之，杠杆手柄不仅仅是一个简单的工具；它体现了杠杆和效率的原则，这些原则是我们日常生活中无数应用的基础。无论是开门、操作机器还是驾驶汽车，杠杆手柄在增强我们与周围世界的互动中发挥着关键作用。随着我们不断创新和开发新技术，杠杆手柄的重要性无疑会持续存在，提醒我们简单的机械原理在塑造我们的体验中的力量。