crank handle

简明释义

手摇曲柄

英英释义

例句

1.The fishing reel has a crank handle 曲柄手柄 that allows you to retrieve the line quickly.

钓鱼卷线器有一个crank handle 曲柄手柄，可以让你快速收回钓线。

2.To start the old-fashioned car, you need to turn the crank handle 曲柄手柄 several times.

要启动这辆老式汽车，你需要转动几次crank handle 曲柄手柄。

3.In the workshop, he turned the crank handle 曲柄手柄 to adjust the height of the workbench.

在车间里，他转动crank handle 曲柄手柄来调整工作台的高度。

4.She used the crank handle 曲柄手柄 to lift the window open.

她用crank handle 曲柄手柄把窗户抬起来。

5.The manual coffee grinder requires you to rotate the crank handle 曲柄手柄 to grind the beans.

这个手动咖啡磨需要你转动crank handle 曲柄手柄来研磨咖啡豆。

作文

The term crank handle refers to a mechanical device that is used to convert circular motion into linear motion. This simple yet effective tool has been a part of various machines and equipment for centuries, playing a crucial role in the development of technology. Understanding the function and significance of the crank handle can help us appreciate the ingenuity behind many inventions. One of the most common examples of a crank handle can be found in older automobiles, specifically in the form of a hand crank used to start the engine. Before the advent of modern electric starters, drivers would insert the crank handle into a slot at the front of the vehicle and manually turn it to initiate the engine's combustion process. This required physical strength and skill, as improper handling could lead to injury or damage to the vehicle. Despite its challenges, the crank handle was an essential component of early automotive engineering.In addition to automobiles, the crank handle is commonly seen in various household appliances and tools. For instance, old-fashioned coffee grinders often feature a crank handle that allows users to grind beans manually. The user turns the crank handle, which rotates the grinding mechanism inside, transforming whole beans into fresh coffee grounds. This process not only enhances the flavor of the coffee but also connects the user to the traditional methods of brewing.The versatility of the crank handle extends beyond household items. It is also prevalent in industrial machinery, where it is used to operate conveyor belts or to adjust the position of heavy equipment. In these contexts, the crank handle serves as a reliable means of controlling movement without requiring complex electronic systems. This simplicity is particularly advantageous in environments where power supply may be inconsistent or unavailable.Moreover, the crank handle has found its way into recreational activities. For example, fishing reels often incorporate a crank handle that anglers use to wind in their lines. This allows for precise control over the tension and speed at which the line is retrieved, making it an essential feature for successful fishing. The tactile experience of turning the crank handle adds to the enjoyment of the activity, connecting the angler to the rhythm of nature.In conclusion, the crank handle is more than just a simple mechanical component; it is a testament to human creativity and innovation. Its applications span across various fields, from automotive engineering to household tasks and recreational activities. As we continue to advance technologically, it is important to remember the fundamental principles represented by devices like the crank handle. They remind us of the importance of hands-on interaction with our tools and the satisfaction that comes from using our own strength to achieve a desired outcome. Whether in a vintage car, a coffee grinder, or a fishing reel, the crank handle remains a symbol of practicality and connection to our mechanical heritage.

短语crank handle指的是一种机械装置，用于将圆周运动转换为线性运动。这种简单而有效的工具已经在各种机器和设备中存在了几个世纪，在科技的发展中发挥了至关重要的作用。理解crank handle的功能和重要性可以帮助我们欣赏许多发明背后的聪明才智。最常见的crank handle示例可以在旧款汽车中找到，特别是作为用于启动发动机的手摇曲柄。在现代电动起动机出现之前，驾驶员会将crank handle插入车辆前部的一个插槽，然后手动转动它以启动发动机的燃烧过程。这需要体力和技巧，因为处理不当可能会导致受伤或车辆损坏。尽管有挑战，但crank handle是早期汽车工程的一个重要组成部分。除了汽车，crank handle还常见于各种家用电器和工具。例如，老式咖啡研磨机通常配有一个crank handle，用户可以手动研磨咖啡豆。用户转动crank handle，这会旋转内部的研磨机制，将整颗咖啡豆转化为新鲜的咖啡粉。这个过程不仅增强了咖啡的风味，还将用户与传统的冲泡方法联系在一起。crank handle的多功能性超越了家用物品，它在工业机械中也很常见，用于操作输送带或调整重型设备的位置。在这些情况下，crank handle作为一种可靠的控制运动的手段，而不需要复杂的电子系统。这种简单性在电力供应可能不稳定或不可用的环境中特别有利。此外，crank handle也出现在休闲活动中。例如，钓鱼卷轴通常包含一个crank handle，钓鱼者用来收回鱼线。这使得钓鱼者能够精确控制收线的张力和速度，成为成功钓鱼的一个重要特征。转动crank handle的触感体验增加了活动的乐趣，使钓鱼者与自然的节奏相连接。总之，crank handle不仅仅是一个简单的机械组件；它是人类创造力和创新的证明。它的应用跨越多个领域，从汽车工程到家庭任务，再到休闲活动。随着我们技术的不断进步，重要的是要记住像crank handle这样的设备所代表的基本原则。它们提醒我们与工具的动手互动的重要性，以及通过自己的力量实现期望结果所带来的满足感。无论是在复古汽车、咖啡研磨机还是钓鱼卷轴中，crank handle始终是实用性和与我们机械遗产连接的象征。