two-cycle engine

简明释义

二冲程发动机

英英释义

例句

1.Many dirt bikes are equipped with a two-cycle engine 二冲程发动机 for better acceleration.

许多越野摩托车配备了二冲程发动机 two-cycle engine 以获得更好的加速性能。

2.The two-cycle engine 二冲程发动机 requires a mixture of oil and gas for fuel.

该二冲程发动机 two-cycle engine 需要油和汽油的混合物作为燃料。

3.The two-cycle engine 二冲程发动机 in my chainsaw makes it lightweight and easy to handle.

我电锯中的二冲程发动机 two-cycle engine 使其轻便且易于操作。

4.The lawnmower uses a two-cycle engine 二冲程发动机 that provides powerful cutting performance.

这款割草机使用的二冲程发动机 two-cycle engine 提供强大的切割性能。

5.A two-cycle engine 二冲程发动机 is often used in small power tools for its simplicity.

小型电动工具通常使用二冲程发动机 two-cycle engine，因为它简单易用。

作文

The invention of the two-cycle engine has revolutionized the way we think about small engines and their applications. A two-cycle engine (两冲程发动机) is a type of internal combustion engine that completes a power cycle with two strokes of the piston during only one crankshaft revolution. This design allows for a simpler engine structure, which is lighter and often more compact than its four-stroke counterparts. The two-cycle engine is widely used in various applications, from lawn mowers to chainsaws, and even in some motorcycles and outboard motors.One of the primary advantages of the two-cycle engine is its power-to-weight ratio. Since it produces a power stroke every revolution, it can generate more power than a four-stroke engine of the same size. This characteristic makes the two-cycle engine particularly appealing for portable tools and vehicles where weight and size are critical factors. For example, in handheld equipment like leaf blowers and weed eaters, the two-cycle engine provides the necessary power while remaining lightweight, allowing for ease of use over extended periods.However, the operation of a two-cycle engine is not without its drawbacks. One significant issue is fuel efficiency; two-cycle engines generally consume more fuel than four-stroke engines because they do not have a dedicated lubrication system. Instead, oil is mixed with the fuel, which can lead to incomplete combustion and increased emissions. This aspect has raised environmental concerns, particularly as regulations become stricter regarding emissions from small engines.Another challenge is the maintenance of a two-cycle engine. While they are simpler in design, the need for regular oil mixing and the potential for carbon build-up can lead to more frequent maintenance requirements compared to four-stroke engines. Users must be diligent about following manufacturer guidelines to ensure optimal performance and longevity of the engine.Despite these challenges, the two-cycle engine remains popular in many sectors. In the realm of recreational vehicles, for instance, dirt bikes and snowmobiles often utilize two-cycle engines for their high power output and lightweight nature. Enthusiasts appreciate the thrilling experience these engines provide, making them a staple in the world of motorsports.Looking ahead, the future of two-cycle engines may involve advancements in technology that address their environmental impact. Researchers are exploring cleaner burning methods and alternative fuels that could make two-cycle engines more sustainable. Innovations such as direct fuel injection and electronic control systems could help improve efficiency and reduce emissions, potentially revitalizing the two-cycle engine market in an eco-conscious world.In conclusion, the two-cycle engine has played a significant role in the development of small engines, offering unique advantages that cater to specific needs. While there are challenges associated with fuel consumption and emissions, ongoing technological advancements hold promise for the future of two-cycle engines. As we continue to innovate, it will be fascinating to see how this engine type evolves to meet both consumer demands and environmental standards.

两冲程发动机的发明彻底改变了我们对小型发动机及其应用的看法。两冲程发动机（two-cycle engine）是一种内燃机类型，在一个曲轴旋转中，仅通过活塞的两个冲程完成一个功率循环。这种设计使得发动机结构更简单，通常比其四冲程对应物更轻且更紧凑。两冲程发动机广泛应用于各种设备，从割草机到链锯，甚至在一些摩托车和舷外电动机中也有使用。两冲程发动机的主要优点之一是其功率与重量的比率。由于它每转一圈就产生一次功率冲程，因此能够比同等尺寸的四冲程发动机产生更多的功率。这一特性使得两冲程发动机在便携式工具和车辆中尤为吸引人，因为在这些情况下，重量和体积是关键因素。例如，在手持设备如吹叶机和割草机中，两冲程发动机提供了所需的动力，同时保持轻便，便于长时间使用。然而，两冲程发动机的运行并非没有缺点。一个显著的问题是燃油效率；两冲程发动机通常比四冲程发动机消耗更多的燃油，因为它们没有专用的润滑系统。相反，油与燃料混合，这可能导致不完全燃烧和增加排放。这一方面引发了环境问题，尤其是在对小型发动机的排放法规日益严格的背景下。另一个挑战是两冲程发动机的维护。虽然它们的设计更简单，但定期混油的需要以及潜在的碳积聚可能导致比四冲程发动机更频繁的维护需求。用户必须认真遵循制造商的指南，以确保发动机的最佳性能和使用寿命。尽管面临这些挑战，两冲程发动机在许多领域仍然受到欢迎。在休闲车辆领域，例如，越野摩托车和雪地摩托车通常利用两冲程发动机来获得高功率输出和轻便的特性。爱好者欣赏这些发动机带来的刺激体验，使其成为摩托运动世界中的主流。展望未来，两冲程发动机的前景可能涉及解决其环境影响的技术进步。研究人员正在探索更清洁的燃烧方法和替代燃料，这可能使两冲程发动机更加可持续。诸如直接喷油和电子控制系统等创新可能有助于提高效率和减少排放，从而可能在环保意识日益增强的世界中重振两冲程发动机市场。总之，两冲程发动机在小型发动机的发展中发挥了重要作用，提供了满足特定需求的独特优势。尽管与燃油消耗和排放相关的挑战依然存在，但持续的技术进步为两冲程发动机的未来带来了希望。随着我们不断创新，观察这种发动机类型如何演变以满足消费者需求和环境标准将是非常有趣的。