two stroke single-acting type

简明释义

二冲程单作用式

英英释义

例句

1.The engine operates efficiently due to its design as a two stroke single-acting type.

由于其设计为二冲程单作用型，该发动机运行效率高。

2.This lawnmower features a two stroke single-acting type engine for efficient grass cutting.

这款割草机配备了二冲程单作用型发动机，以实现高效割草。

3.The mechanic explained that the two stroke single-acting type is simpler to maintain than four-stroke engines.

机械师解释说，二冲程单作用型比四冲程发动机更易于维护。

4.In the world of model airplanes, the two stroke single-acting type engines are quite popular.

在模型飞机的世界中，二冲程单作用型发动机相当受欢迎。

5.Many small motorcycles utilize the two stroke single-acting type for better power-to-weight ratio.

许多小型摩托车使用二冲程单作用型以获得更好的功率重量比。

作文

The world of engines and machinery is vast and filled with various types of designs that serve specific purposes. One such design is the two stroke single-acting type, which has garnered attention for its unique operational characteristics. Understanding this type of engine can provide insights into its applications and advantages compared to other engine types.To begin with, a two stroke single-acting type engine operates on a two-stroke cycle, meaning that it completes a power cycle in just two strokes of the piston, or one crankshaft revolution. This is in contrast to four-stroke engines, which require four strokes of the piston to complete a power cycle. The two-stroke cycle allows for a more compact design, making it lighter and often more powerful for its size. This characteristic makes two stroke single-acting type engines particularly popular in applications where weight and power output are critical factors, such as in motorcycles, chainsaws, and certain types of boats.In a two stroke single-acting type engine, the term 'single-acting' refers to the fact that the engine produces power on only one side of the piston during each cycle. This means that the combustion process occurs on one side of the piston while the other side is either exhausting or preparing for the next intake of fuel-air mixture. This design simplifies the engine's mechanics, allowing for fewer moving parts compared to double-acting engines, which produce power on both sides of the piston.One of the significant advantages of a two stroke single-acting type engine is its ability to generate power more frequently due to its shorter cycle. This results in higher power output relative to engine size, which is a desirable trait in many applications. Additionally, the simpler design generally leads to easier maintenance and repair, making these engines accessible for a broader range of users.However, there are also some downsides to consider. Two stroke single-acting type engines tend to be less fuel-efficient than their four-stroke counterparts. Because they burn oil along with fuel to lubricate the engine, they can produce more emissions, raising environmental concerns. As regulations around emissions become stricter, the popularity of two stroke single-acting type engines may face challenges, especially in urban areas where air quality is a significant concern.Despite these drawbacks, the two stroke single-acting type engine remains relevant in various industries. For instance, in recreational vehicles like dirt bikes and snowmobiles, the lightweight and powerful nature of these engines is highly valued. Furthermore, advancements in technology are leading to improvements in the efficiency and emissions of two stroke single-acting type engines, making them more environmentally friendly than before.In conclusion, the two stroke single-acting type engine is a fascinating example of engineering that balances power and simplicity. While it has its limitations, its unique characteristics make it suitable for many applications where performance is paramount. As technology continues to evolve, it will be interesting to see how the two stroke single-acting type engine adapts to meet modern demands for efficiency and environmental responsibility.

发动机和机械的世界是广阔的，充满了各种设计类型，服务于特定的目的。其中一种设计是二冲程单作用型发动机，由于其独特的操作特性而受到关注。理解这种类型的发动机可以提供对其应用和相对于其他发动机类型的优势的深入了解。首先，二冲程单作用型发动机在两个冲程内完成一个动力循环，这意味着它在仅仅两个活塞冲程或一次曲轴旋转中完成一个动力循环。这与四冲程发动机不同，四冲程发动机需要四个活塞冲程才能完成一个动力循环。二冲程循环允许更紧凑的设计，使其更轻且通常在其尺寸上更强大。这一特性使得二冲程单作用型发动机在重量和功率输出至关重要的应用中尤为流行，例如摩托车、链锯和某些类型的小船。在二冲程单作用型发动机中，“单作用”一词指的是发动机在每个循环中仅在活塞的一侧产生动力。这意味着燃烧过程发生在活塞的一侧，而另一侧要么是在排气，要么是在准备下一次燃料-空气混合物的进气。这种设计简化了发动机的机械结构，相较于双作用发动机，活动部件更少。二冲程单作用型发动机的一个显著优势是由于其较短的循环，它能够更频繁地产生动力。这导致相对于发动机大小的功率输出更高，这是许多应用中的一种理想特性。此外，简单的设计通常导致更容易的维护和修理，使这些发动机更易于广大用户使用。然而，也有一些缺点需要考虑。二冲程单作用型发动机的燃油效率往往低于其四冲程对应物。由于它们在燃烧过程中同时燃烧油和燃料以润滑发动机，因此它们可能会产生更多的排放，引发环境问题。随着对排放的监管变得越来越严格，二冲程单作用型发动机的受欢迎程度可能面临挑战，尤其是在空气质量问题严重的城市地区。尽管存在这些缺点，二冲程单作用型发动机在各个行业中仍然具有相关性。例如，在越野车、摩托车和雪地摩托等休闲车辆中，这些发动机的轻便和强劲特性备受重视。此外，技术的进步正在改善二冲程单作用型发动机的效率和排放，使其比以往更环保。总之，二冲程单作用型发动机是一个引人入胜的工程实例，它在功率和简单性之间取得了平衡。虽然它有其局限性，但其独特的特性使其适合于许多对性能要求严格的应用。随着技术的不断发展，观察二冲程单作用型发动机如何适应现代对效率和环境责任的需求将是非常有趣的。