manual pump

简明释义

手摇泵

英英释义

例句

1.For inflating tires on the go, a portable manual pump 手动泵 is very convenient.

为了随时给轮胎充气，一个便携式手动泵 manual pump 非常方便。

2.The aquarium was set up with a manual pump 手动泵 to help with water changes.

水族箱安装了一个手动泵 manual pump 来帮助更换水。

3.In emergency situations, a manual pump 手动泵 can be used to drain floodwaters from a basement.

在紧急情况下，手动泵 manual pump 可以用来排出地下室的洪水。

4.When camping in the wilderness, a manual pump 手动泵 is essential for getting water from a nearby stream.

在荒野露营时，手动泵 manual pump 是从附近溪流获取水的必备工具。

5.The mechanic used a manual pump 手动泵 to remove excess oil from the engine.

机械师使用手动泵 manual pump 从发动机中抽取多余的油。

作文

In our modern world, we often take for granted the convenience of electric appliances and machines that make our lives easier. However, there are still many situations where a simple device can be incredibly effective. One such device is the manual pump, which has been used for centuries in various applications. Understanding the functionality and importance of a manual pump can help us appreciate its value even in today's technologically advanced society.A manual pump is a mechanical device that operates without the need for electricity. It relies on human effort to create suction or pressure, allowing for the movement of liquids or gases from one location to another. This type of pump is commonly used in situations where electrical power is unavailable or impractical. For example, during natural disasters, when power lines are down, a manual pump can be essential for providing clean water to affected areas.The design of a manual pump can vary greatly depending on its intended use. Some are designed for pumping water from wells, while others may be used for transferring fuel or other liquids. Regardless of the specific application, the basic principle remains the same: a user must operate the pump by hand, generating the necessary force to move the liquid. This simplicity is one of the key advantages of a manual pump. It does not require complex machinery or electrical components, making it easy to maintain and operate.One of the most common types of manual pumps is the hand-operated water pump. These pumps are often found in rural areas where access to electricity is limited. They allow individuals to draw water from deep underground sources, ensuring a reliable supply for drinking, irrigation, and other needs. The operation of a hand pump involves pulling a handle up and down, which creates a vacuum that draws water into the pump and eventually out through a spout. This process not only provides essential resources but also promotes physical activity, as users engage in the manual labor required to operate the pump.In addition to their practical applications, manual pumps also have an important role in education and demonstration. Many science classes use small manual pumps to teach students about fluid dynamics and the principles of pressure. By engaging with these devices, students can gain a better understanding of how pumps work and the physics behind them. This hands-on experience can spark interest in engineering and science, encouraging the next generation of innovators.Moreover, the environmental impact of using a manual pump should not be overlooked. Unlike electric pumps, which consume energy and may contribute to greenhouse gas emissions, manual pumps operate solely on human power. This makes them a sustainable option for many applications. In a world increasingly focused on reducing carbon footprints and promoting eco-friendly practices, the manual pump stands out as a viable alternative.In conclusion, the manual pump is a remarkable invention that combines simplicity, efficiency, and sustainability. Its ability to function without electricity makes it an invaluable tool in various contexts, from disaster relief to everyday water supply. By understanding and appreciating the manual pump, we can recognize the importance of traditional technologies in our modern lives. As we continue to advance technologically, it is essential to remember the lessons learned from simpler devices and the role they play in our world today.

在我们现代的世界中，我们常常理所当然地认为电器和机器带来的便利。然而，在许多情况下，简单的设备可以非常有效。其中一个设备就是手动泵，它在各种应用中已经使用了几个世纪。理解手动泵的功能和重要性可以帮助我们欣赏它在今天这个技术先进的社会中的价值。手动泵是一种不需要电力的机械设备。它依靠人力来产生吸力或压力，从而允许液体或气体从一个地方移动到另一个地方。这种类型的泵通常用于电力不可用或不切实际的情况。例如，在自然灾害期间，当电线被摧毁时，手动泵对于向受影响地区提供干净水源至关重要。手动泵的设计可以根据其预期用途有很大不同。一些泵是为从井中抽水而设计的，而其他泵可能用于转移燃料或其他液体。无论具体应用如何，基本原理保持不变：用户必须手动操作泵，产生必要的力量以移动液体。这种简单性是手动泵的关键优势之一。它不需要复杂的机械或电气组件，使其易于维护和操作。最常见的手动泵类型之一是手动水泵。这些泵通常在电力有限的农村地区找到。它们允许个人从地下深处抽水，确保饮用、灌溉和其他需求的可靠供应。手动泵的操作涉及上下拉动一个把手，这会产生真空，将水抽入泵中，最终通过喷嘴排出。这一过程不仅提供了基本资源，还促进了身体活动，因为用户参与了操作泵所需的体力劳动。除了实用应用外，手动泵在教育和演示中也发挥着重要作用。许多科学课程使用小型手动泵教授学生流体动力学和压力原理。通过与这些设备互动，学生可以更好地理解泵的工作原理及其背后的物理学。这种动手体验可以激发对工程和科学的兴趣，鼓励下一代创新者。此外，使用手动泵的环境影响也不容忽视。与消耗能源并可能导致温室气体排放的电动泵不同，手动泵完全依靠人力运作。这使它们成为许多应用中的可持续选择。在一个越来越关注减少碳足迹和推广环保实践的世界中，手动泵作为一种可行的替代方案脱颖而出。总之，手动泵是一项了不起的发明，它结合了简单性、效率和可持续性。它在没有电力的情况下运作的能力使其在各种背景下成为无价之宝，从灾难救援到日常供水。通过理解和欣赏手动泵，我们可以认识到传统技术在我们现代生活中的重要性。当我们继续在技术上进步时，记住从简单设备中学到的教训及其在我们今天世界中的作用是至关重要的。