diesel engine

简明释义

柴油机

英英释义

例句

1.A diesel engine typically has a longer lifespan compared to gasoline engines.

与汽油发动机相比，柴油发动机通常具有更长的使用寿命。

2.Modern diesel engines are designed to meet strict emissions standards.

现代的柴油发动机旨在符合严格的排放标准。

3.The diesel engine is known for its fuel efficiency and longevity.

这款柴油发动机以其燃油效率和耐用性而闻名。

4.The construction site relied on machinery powered by diesel engines.

建筑工地依赖于由柴油发动机驱动的机械。

5.Many trucks use a diesel engine because it provides more torque for heavy loads.

许多卡车使用柴油发动机，因为它为重载提供了更大的扭矩。

作文

The development of the diesel engine has significantly transformed the landscape of transportation and industry. Invented by Rudolf Diesel in the late 19th century, the diesel engine operates on the principle of compression ignition, which sets it apart from gasoline engines that use spark plugs. This fundamental difference allows diesel engines to be more efficient and powerful, making them ideal for heavy-duty vehicles such as trucks, buses, and ships.One of the major advantages of the diesel engine is its fuel efficiency. Diesel fuel contains more energy per liter than gasoline, which means that diesel engines can travel longer distances without needing to refuel. This characteristic is particularly beneficial for commercial transport companies that rely on long-haul trucking. Moreover, diesel engines tend to have a longer lifespan compared to their gasoline counterparts, reducing maintenance costs over time.Another important aspect of diesel engines is their torque output. Torque is the rotational force that an engine produces, and diesel engines are known for generating high levels of torque at low RPMs (revolutions per minute). This makes them particularly effective for heavy vehicles that require substantial power to start moving or to carry heavy loads. As a result, diesel engines are commonly used in construction equipment, agricultural machinery, and freight transport.Despite their advantages, diesel engines are not without their drawbacks. One significant concern is the environmental impact of diesel fuel. While diesel engines produce less carbon dioxide than gasoline engines, they emit higher levels of nitrogen oxides and particulate matter, which can contribute to air pollution and health problems. This has led to increased scrutiny and regulation of diesel engines in many countries, prompting manufacturers to develop cleaner technologies such as selective catalytic reduction (SCR) and diesel particulate filters (DPF).In recent years, the automotive industry has seen a shift towards more sustainable alternatives, such as electric and hybrid vehicles. However, diesel engines still play a crucial role in various sectors due to their reliability and efficiency. Many industries continue to invest in improving diesel engine technology to reduce emissions and enhance performance.In conclusion, the diesel engine has had a profound impact on modern transportation and industry. Its efficiency, durability, and power make it a preferred choice for many applications, despite the environmental challenges it poses. As technology advances, it is essential for the industry to balance the benefits of diesel engines with the need for cleaner alternatives, ensuring a sustainable future for all forms of transportation.

柴油发动机的发展显著改变了交通和工业的格局。柴油发动机由鲁道夫·迪塞尔在19世纪末发明，采用压缩点火原理，这使其与使用火花塞的汽油发动机不同。这一根本差异使得柴油发动机更高效、更强大，成为重型车辆（如卡车、公交车和船只）的理想选择。柴油发动机的一个主要优点是燃油效率。柴油燃料每升的能量比汽油多，这意味着柴油发动机可以在不加油的情况下行驶更长的距离。这一特性对于依赖长途运输的商业运输公司尤其有利。此外，柴油发动机的使用寿命通常比汽油发动机长，从而减少了长期维护成本。柴油发动机的另一个重要方面是其扭矩输出。扭矩是发动机产生的旋转力，而柴油发动机以低转速（RPM）产生高水平的扭矩而闻名。这使得它们在需要大量动力启动或承载重负荷的重型车辆中尤为有效。因此，柴油发动机常用于建筑设备、农业机械和货物运输。尽管有其优点，柴油发动机也并非没有缺点。一个重要的问题是柴油燃料对环境的影响。虽然柴油发动机产生的二氧化碳比汽油发动机少，但它们排放的氮氧化物和颗粒物的水平较高，这可能导致空气污染和健康问题。这导致许多国家对柴油发动机的审查和监管增加，促使制造商开发更清洁的技术，如选择性催化还原（SCR）和柴油颗粒过滤器（DPF）。近年来，汽车行业出现了向更可持续替代品（如电动和混合动力汽车）的转变。然而，由于其可靠性和效率，柴油发动机在各个领域仍然发挥着至关重要的作用。许多行业继续投资于改善柴油发动机技术，以减少排放并提高性能。总之，柴油发动机对现代交通和工业产生了深远的影响。尽管面临环境挑战，其效率、耐用性和动力使其在许多应用中成为首选。随着技术的进步，行业必须在享受柴油发动机的好处与寻找更清洁替代品之间取得平衡，确保所有交通形式的可持续未来。