crank handle

简明释义

曲柄摇手

英英释义

例句

1.To start the old engine, you need to turn the crank handle 曲柄手柄 a few times.

要启动老旧的引擎，你需要转动几次crank handle 曲柄手柄。

2.The manual coffee grinder has a crank handle 曲柄手柄 that you can turn to grind the beans.

这个手动咖啡研磨机有一个可以转动的crank handle 曲柄手柄来研磨咖啡豆。

3.She turned the crank handle 曲柄手柄 to operate the vintage toy.

她转动crank handle 曲柄手柄来操作那个复古玩具。

4.Adjusting the height of the desk is easy with the crank handle 曲柄手柄 on the side.

通过侧面的crank handle 曲柄手柄，调整桌子的高度很简单。

5.He used the crank handle 曲柄手柄 to lift the heavy window shade.

他用crank handle 曲柄手柄 来拉起沉重的窗帘。

作文

The invention of the crank handle has played a significant role in the development of various machines and tools throughout history. This simple yet effective device allows users to convert rotary motion into linear motion, making it an essential component in many mechanical systems. The crank handle can be found in numerous applications, from old-fashioned manual devices to modern machinery, showcasing its versatility and importance.To understand the significance of the crank handle, we must first look at its function. A crank handle typically consists of a handle attached to a rotating shaft. When the handle is turned, it rotates the shaft, which can then be connected to other components, such as gears or levers. This mechanism allows for the transfer of force and movement, enabling machines to perform various tasks efficiently.Historically, the crank handle can be traced back to ancient civilizations. Early examples were used in water-lifting devices, where workers would turn a crank handle to lift water from wells or rivers. As technology advanced, the design and application of the crank handle evolved, leading to its widespread use in steam engines and other industrial machinery during the Industrial Revolution. This period marked a significant shift in manufacturing processes, and the crank handle was a crucial element that contributed to increased productivity.In modern times, the crank handle continues to be relevant in various fields. For instance, in the automotive industry, crank handles are often used in manual window mechanisms, allowing passengers to open or close windows effortlessly. Additionally, many kitchen appliances, such as food processors and manual coffee grinders, utilize crank handles to facilitate user control over the grinding process. This demonstrates how the crank handle remains an integral part of everyday life, providing convenience and efficiency.Moreover, the crank handle serves as an excellent example of how simple mechanical principles can lead to significant advancements in technology. Its design is straightforward yet effective, allowing for easy operation and maintenance. This simplicity has made it a favorite among engineers and inventors, who often incorporate crank handles into their designs for ease of use.In conclusion, the crank handle is a remarkable invention that has stood the test of time. From its historical roots in ancient water-lifting devices to its modern applications in various industries, the crank handle exemplifies the beauty of mechanical ingenuity. Understanding the function and significance of the crank handle not only highlights its importance in machinery but also encourages appreciation for the simple yet effective designs that continue to shape our world today.

手摇把手的发明在历史上对各种机器和工具的发展起到了重要作用。这种简单而有效的装置使用户能够将旋转运动转换为线性运动，使其成为许多机械系统中不可或缺的组成部分。手摇把手可以在许多应用中找到，从老式手动设备到现代机械，展示了它的多功能性和重要性。要理解手摇把手的重要性，我们首先必须了解它的功能。手摇把手通常由一个把手和一个旋转轴组成。当把手被转动时，它会旋转轴，这可以与其他组件连接，如齿轮或杠杆。这种机制允许力量和运动的传递，使机器能够高效地执行各种任务。从历史上看，手摇把手可以追溯到古代文明。早期的例子用于抽水设备，工人们会转动手摇把手将水从井或河流中提起。随着技术的发展，手摇把手的设计和应用不断演变，导致其在工业革命期间广泛使用于蒸汽机和其他工业机械。这一时期标志着制造过程的重大转变，而手摇把手是促进生产力提高的关键元素。在现代，手摇把手在各个领域仍然相关。例如，在汽车工业中，手摇把手通常用于手动窗户机制，使乘客能够轻松打开或关闭窗户。此外，许多厨房电器，如食品加工机和手动咖啡研磨机，都利用手摇把手来方便用户控制研磨过程。这表明手摇把手仍然是日常生活中的重要部分，提供便利和效率。此外，手摇把手作为一个优秀的例子，展示了简单机械原理如何导致技术的重大进步。它的设计简单而有效，便于操作和维护。这种简单性使其成为工程师和发明家的最爱，他们常常在设计中融入手摇把手，以便于使用。总之，手摇把手是一项经受住时间考验的杰出发明。从古代抽水设备中的历史根源到现代在各个行业中的应用，手摇把手体现了机械独创性的美。理解手摇把手的功能和重要性不仅突显了它在机器中的重要性，还鼓励人们欣赏那些继续塑造我们今天世界的简单而有效的设计。