pistons

简明释义

英[ˈpɪstənz]美[ˈpɪstənz]

n. [机]活塞（piston 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Beyond the Celtics and Lakers and Pistons, who truly resonated?

除了凯尔特人，湖人和活塞，还有那支球队能形成气候？

2.In his first full season as head coach, Ray Scott guided the Pistons to a then-franchise-best 52-30 record.

在他作为主教练的第一个完整赛季，雷·斯科特带领活塞队创纪录地取得了52胜30负的成绩。

3.The pistons are graphite-coated to reduce friction.

活塞表面涂有石墨以减少摩擦。

4.No defects did we find in these pistons.

在这些活塞上我们切实没有找到什么缺陷。

5.As the long sections twist and turn in the waves they pull the RAMS in and out of the modules like pistons.

当长长的蛇体在波浪中扭曲翻转时，它们把滑块像活塞一样从模块中拖进拖出。

6.It would be more than a decade before the Pistons and Bulls were again major figures on the NBA scene.

活塞和公牛再次作为主角登上nba舞台将是10多年之后了。

7.Hydraulic systems use 活塞 to transfer force through fluids.

液压系统使用活塞通过液体传递力量。

8.The mechanic replaced the damaged 活塞 in the motorcycle engine.

机械师更换了摩托车发动机中损坏的活塞。

9.The compression of the 活塞 increases the temperature of the gas inside the cylinder.

对气缸内的气体进行压缩的活塞会提高其温度。

10.When the 活塞 move up and down, they create a vacuum that draws in air.

当活塞上下移动时，它们会产生一个抽气，吸入空气。

11.The car's engine has four 活塞 that work together to generate power.

这辆车的发动机有四个活塞，它们共同工作以产生动力。

作文

In the world of engineering and mechanics, few components are as critical as pistons. These cylindrical devices play a vital role in various types of machinery, most notably in internal combustion engines. The function of pistons is to convert the energy produced from fuel combustion into mechanical energy, which ultimately powers vehicles and other machinery. Understanding how pistons work can provide insight into the efficiency and performance of engines.The basic concept behind pistons is relatively simple. They are designed to move up and down within a cylinder, creating a vacuum that draws in air and fuel. When the mixture is ignited, the explosion pushes the pistons down, generating power that turns the crankshaft. This process is known as the four-stroke cycle, consisting of intake, compression, power, and exhaust strokes. Each stroke is crucial for the engine's operation, and any malfunction with the pistons can lead to significant performance issues.Materials used in manufacturing pistons are also an important consideration. Typically made from aluminum alloys, pistons must withstand high temperatures and pressures while maintaining their shape and integrity. Advances in technology have led to the development of lighter and stronger materials, enhancing the overall efficiency of engines. For instance, modern pistons often feature coatings that reduce friction, allowing for smoother operation and better fuel economy.Another interesting aspect of pistons is their role in performance tuning. Car enthusiasts often upgrade their pistons to increase horsepower and torque. By altering the size and shape of pistons, engineers can optimize the engine's combustion process, leading to improved performance. However, such modifications require careful consideration, as they can affect engine reliability and longevity.In addition to automotive applications, pistons are also found in various industrial machines, such as compressors and hydraulic systems. In these contexts, pistons serve to compress gases or fluids, enabling the operation of heavy machinery. Understanding the mechanics behind pistons in these systems is essential for anyone involved in maintenance or engineering, as it directly impacts operational efficiency.In conclusion, pistons are more than just simple components; they are integral to the functioning of many machines we rely on daily. From cars to industrial equipment, the performance of pistons can determine the effectiveness of an entire system. As technology advances, the design and function of pistons will continue to evolve, leading to even greater efficiencies and capabilities in machinery. For anyone interested in engineering or mechanics, a thorough understanding of pistons is not only beneficial but essential for grasping the complexities of modern technology.

在工程和机械的世界中，少有组件像活塞一样关键。这些圆柱形装置在各种机械中发挥着至关重要的作用，尤其是在内燃机中。活塞的功能是将燃料燃烧产生的能量转化为机械能，最终为车辆和其他机械提供动力。了解活塞的工作原理可以深入了解发动机的效率和性能。活塞的基本概念相对简单。它们被设计成在气缸内上下移动，产生一个真空，将空气和燃料吸入。当混合物被点燃时，爆炸将活塞向下推，从而产生驱动曲轴的动力。这个过程称为四冲程循环，包括进气、压缩、动力和排气冲程。每个冲程对于发动机的运作至关重要，任何活塞的故障都可能导致显著的性能问题。制造活塞所用的材料也是一个重要的考虑因素。通常由铝合金制成，活塞必须承受高温和高压，同时保持其形状和完整性。技术的进步导致了更轻、更强材料的发展，提高了发动机的整体效率。例如，现代活塞通常具有涂层，以减少摩擦，允许更顺畅的操作和更好的燃油经济性。活塞的另一个有趣方面是它们在性能调校中的作用。汽车爱好者经常升级他们的活塞以增加马力和扭矩。通过改变活塞的大小和形状，工程师可以优化发动机的燃烧过程，从而提高性能。然而，这种修改需要仔细考虑，因为它们可能会影响发动机的可靠性和耐久性。除了汽车应用外，活塞还出现在各种工业机器中，例如压缩机和液压系统。在这些情况下，活塞用于压缩气体或液体，使重型机械的操作成为可能。了解这些系统中活塞的机械原理对于任何参与维护或工程的人都是必不可少的，因为这直接影响操作效率。总之，活塞不仅仅是简单的组件；它们是我们日常依赖的许多机器运作的核心。从汽车到工业设备，活塞的性能可以决定整个系统的有效性。随着技术的进步，活塞的设计和功能将继续发展，带来更大的效率和机械能力。对于任何对工程或机械感兴趣的人来说，彻底了解活塞不仅有益，而且对于掌握现代技术的复杂性至关重要。