four-stroke oil engine

简明释义

四冲程柴油机

英英释义

例句

1.The four-stroke oil engine 四冲程油发动机 is known for its quieter operation compared to other engines.

与其他发动机相比，四冲程油发动机 four-stroke oil engine以其较安静的运行而闻名。

2.The four-stroke oil engine 四冲程油发动机 in my motorcycle provides excellent torque.

我摩托车上的四冲程油发动机 four-stroke oil engine提供了出色的扭矩。

3.To maintain your boat's four-stroke oil engine 四冲程油发动机, regular oil changes are essential.

要维护你船上的四冲程油发动机 four-stroke oil engine，定期更换机油是必不可少的。

4.The mechanics explained how the four-stroke oil engine 四冲程油发动机 operates more efficiently than a two-stroke engine.

机械师解释了如何让四冲程油发动机 four-stroke oil engine的效率比二冲程发动机更高。

5.Many lawn mowers use a four-stroke oil engine 四冲程油发动机 to reduce emissions.

许多割草机使用四冲程油发动机 four-stroke oil engine来减少排放。

作文

The world of engines is vast and diverse, with different types serving various purposes. Among these, the four-stroke oil engine stands out due to its efficiency and reliability. Understanding how this engine operates can provide insights into its significance in modern machinery and transportation. To begin with, the four-stroke oil engine is characterized by its four distinct phases: intake, compression, power, and exhaust. Each phase plays a crucial role in the overall functioning of the engine. During the intake phase, the engine draws in a mixture of air and fuel, which is essential for combustion. This phase is followed by compression, where the mixture is compressed to increase its temperature and pressure, making it more volatile. The third phase, power, is where the magic happens. The compressed mixture is ignited, resulting in an explosion that pushes the piston down, generating power. This power is what ultimately drives the vehicle or machine. Finally, during the exhaust phase, the burnt gases are expelled from the engine, readying it for another cycle. This systematic process ensures that the engine operates smoothly and efficiently.One of the main advantages of the four-stroke oil engine is its fuel efficiency. Because it completes a power cycle in four strokes of the piston, it can extract more energy from the fuel compared to two-stroke engines. This efficiency not only translates to better performance but also means less pollution, as the engine burns fuel more completely. As environmental concerns continue to grow, the four-stroke oil engine becomes increasingly relevant in discussions about sustainable technology.Moreover, the four-stroke oil engine is widely used in various applications, from motorcycles to lawnmowers and even in larger vehicles like cars and trucks. This versatility is a testament to its design and functionality. For instance, in the automotive industry, the four-stroke oil engine powers most vehicles on the road today, providing the necessary torque and horsepower for efficient travel. Similarly, in the realm of outdoor equipment, many tools rely on this engine type for their operation, showcasing its adaptability.However, the four-stroke oil engine is not without its challenges. While it is generally more efficient than its two-stroke counterpart, it can be more complex and expensive to manufacture. The additional components required for the four-stroke cycle, such as valves and camshafts, add to the production costs. Furthermore, maintenance can be more demanding, as the engine's intricate design requires regular checks to ensure optimal performance.In conclusion, the four-stroke oil engine represents a significant advancement in engine technology. Its efficient operation, versatility, and reduced environmental impact make it a preferred choice in many applications. As we continue to innovate and seek more sustainable solutions, understanding the mechanics and benefits of the four-stroke oil engine will be crucial in shaping the future of transportation and machinery. Whether you are a mechanic, an engineer, or simply a curious individual, grasping the concept of the four-stroke oil engine can enhance your appreciation for the technology that drives our world forward.

发动机的世界是广阔而多样的，不同类型的发动机服务于各种目的。在这些发动机中，四冲程油发动机因其高效和可靠而脱颖而出。理解这种发动机的运作可以提供对其在现代机械和交通运输中重要性的见解。首先，四冲程油发动机的特点是其四个不同的阶段：进气、压缩、动力和排气。每个阶段在发动机的整体运行中都起着至关重要的作用。在进气阶段，发动机吸入空气与燃料的混合物，这对于燃烧是必不可少的。接下来是压缩阶段，此时混合物被压缩以提高其温度和压力，使其更加易燃。第三个阶段是动力阶段，这里是奇迹发生的地方。压缩的混合物被点燃，产生爆炸，推动活塞向下移动，产生动力。这种动力最终驱动车辆或机器。最后，在排气阶段，燃烧后的废气从发动机中排出，为下一个循环做好准备。这一系统化的过程确保了发动机的平稳高效运行。四冲程油发动机的主要优点之一是其燃油效率。由于它在活塞的四个冲程中完成一个动力循环，因此可以从燃料中提取更多的能量，相较于二冲程发动机。这种效率不仅转化为更好的性能，还意味着更少的污染，因为发动机燃烧燃料更完全。随着环境问题的日益严重，四冲程油发动机在可持续技术讨论中变得越来越相关。此外，四冲程油发动机广泛应用于各种场合，从摩托车到割草机，甚至在大型车辆如汽车和卡车中。这种多功能性证明了其设计和功能。例如，在汽车工业中，四冲程油发动机为今天路上的大多数车辆提供动力，为高效行驶提供必要的扭矩和马力。同样，在户外设备领域，许多工具依赖这种发动机类型进行操作，展示了其适应性。然而，四冲程油发动机并非没有挑战。虽然相较于其二冲程对应物，它通常更高效，但制造起来可能更复杂且成本更高。四冲程循环所需的额外组件，如阀门和凸轮轴，增加了生产成本。此外，维护可能更加繁琐，因为发动机复杂的设计需要定期检查以确保最佳性能。总之，四冲程油发动机代表了发动机技术的重要进步。其高效的运行、多功能性和减少的环境影响使其成为许多应用中的首选。随着我们继续创新并寻求更可持续的解决方案，理解四冲程油发动机的机制和好处将对塑造交通和机械的未来至关重要。无论你是机械师、工程师还是仅仅是一个好奇的人，掌握四冲程油发动机的概念都能增强你对推动我们世界前进的技术的欣赏。