two stroke

简明释义

二冲程的

英英释义

例句

1.Some lawn mowers are powered by a two stroke 二冲程 engine for efficient cutting.

一些割草机由< span>二冲程 two stroke 发动机提供动力，以实现高效切割。

2.The mechanic explained that a two stroke 二冲程 engine is lighter and simpler than a four-stroke engine.

技师解释说，二冲程 two stroke 发动机比四冲程发动机更轻便简单。

3.Many dirt bikes use a two stroke 二冲程 engine for better acceleration.

许多越野摩托车使用< span>二冲程 two stroke 发动机以获得更好的加速性能。

4.Racing enthusiasts often prefer two stroke 二冲程 engines for their high performance.

赛车爱好者通常偏爱< span>二冲程 two stroke 发动机，因为它们具有高性能。

5.A two stroke 二冲程 engine typically produces more power in a smaller size.

通常，二冲程 two stroke 发动机在更小的尺寸下产生更多的功率。

作文

The term two stroke refers to a type of internal combustion engine that completes a power cycle in only two strokes of the piston, which is a fascinating concept in the world of mechanics. Unlike four-stroke engines, which require four distinct strokes to complete a cycle of intake, compression, power, and exhaust, two stroke engines achieve this with just two movements: one for compression and another for power. This efficiency can lead to lighter and simpler engine designs, making two stroke engines particularly popular in applications like motorcycles, chainsaws, and lawn equipment.One of the most significant advantages of two stroke engines is their power-to-weight ratio. Because they can produce power with fewer moving parts, they are often lighter than their four-stroke counterparts. This makes them ideal for portable equipment where weight is a crucial factor. For example, a chainsaw powered by a two stroke engine can be easily maneuvered and handled by users, providing the necessary power without the burden of additional weight.However, there are also drawbacks associated with two stroke engines. One major concern is their environmental impact. These engines tend to be less fuel-efficient and produce more emissions compared to four-stroke engines. This is primarily due to the way fuel and oil are mixed and burned in two stroke engines, which can lead to unburnt fuel escaping during the exhaust phase. As a result, many regions have imposed regulations on the use of two stroke engines to reduce pollution.Despite these challenges, the simplicity and efficiency of two stroke engines cannot be overlooked. They are easier to manufacture and maintain, which is why they remain popular in certain markets. For instance, in competitive motorsports, where every ounce of weight matters, two stroke engines are often favored for their ability to deliver high power outputs with minimal weight.In conclusion, understanding the mechanics and implications of two stroke engines is essential for anyone interested in automotive engineering or machinery. While they offer unique advantages in terms of weight and simplicity, it is crucial to consider their environmental impact and the ongoing developments in engine technology. As we move towards more sustainable solutions, the future of two stroke engines may involve innovations that reduce their emissions while retaining the benefits they provide in various applications.

这个术语两冲程指的是一种内燃机，只需在活塞的两个行程中完成一个动力循环，这在机械世界中是一个令人着迷的概念。与需要四个不同行程来完成进气、压缩、动力和排气循环的四冲程发动机不同，两冲程发动机只需两个动作：一个用于压缩，另一个用于动力。这种效率可以导致更轻便和简单的发动机设计，使得两冲程发动机在摩托车、链锯和草坪设备等应用中特别受欢迎。两冲程发动机最显著的优点之一是它们的功率重量比。因为它们可以用更少的运动部件产生动力，所以通常比四冲程发动机轻。这使得它们非常适合在重量至关重要的便携式设备中使用。例如，一台由两冲程发动机驱动的链锯可以被用户轻松操控和处理，提供必要的动力而不增加额外的重量。然而，两冲程发动机也存在一些缺点。一个主要问题是它们对环境的影响。这些发动机往往比四冲程发动机燃油效率低，排放更多污染物。这主要是由于两冲程发动机中燃料和油的混合和燃烧方式，这可能导致在排气阶段未燃烧的燃料逸出。因此，许多地区对两冲程发动机的使用施加了法规，以减少污染。尽管面临这些挑战，两冲程发动机的简单性和效率仍然不可忽视。它们更容易制造和维护，这就是为什么它们在某些市场上仍然受欢迎的原因。例如，在竞争性赛车中，每一盎司的重量都至关重要，两冲程发动机因其以最小重量提供高功率输出而受到青睐。总之，理解两冲程发动机的机械原理及其影响对于任何对汽车工程或机械感兴趣的人来说都是至关重要的。虽然它们在重量和简单性方面提供独特的优势，但考虑其环境影响以及发动机技术的持续发展也至关重要。随着我们朝着更可持续的解决方案迈进，两冲程发动机的未来可能涉及减少排放的创新，同时保留它们在各种应用中提供的好处。