direct injection

简明释义

直接喷射

英英释义

例句

1.Many modern vehicles use direct injection (直接喷射) technology to enhance performance and reduce emissions.

许多现代车辆使用direct injection（直接喷射）技术来增强性能并减少排放。

2.The new engine model features improved fuel efficiency thanks to its advanced direct injection (直接喷射) system.

新款发动机模型由于其先进的direct injection（直接喷射）系统，燃油效率得到了改善。

3.The new medical device employs direct injection (直接喷射) to administer medication more effectively.

新型医疗设备采用direct injection（直接喷射）更有效地给药。

4.The chef decided to use a direct injection (直接喷射) method to infuse flavors into the meat.

厨师决定使用direct injection（直接喷射）方法将风味注入肉类。

5.In the laboratory, scientists often utilize direct injection (直接喷射) techniques for precise sample analysis.

在实验室中，科学家们常常利用direct injection（直接喷射）技术进行精确的样品分析。

作文

In recent years, automotive technology has advanced significantly, leading to the development of more efficient and powerful engines. One of the most notable innovations in this field is the use of direct injection, a fuel delivery system that has transformed how internal combustion engines operate. This technology allows for a more precise injection of fuel directly into the combustion chamber, resulting in improved performance and efficiency compared to traditional fuel injection systems.The principle behind direct injection is relatively straightforward. In conventional fuel injection systems, fuel is mixed with air before entering the combustion chamber. However, with direct injection, fuel is injected directly into the combustion chamber at high pressure. This method not only enhances the atomization of the fuel but also allows for better control over the combustion process. As a result, engines equipped with direct injection systems can achieve higher power output while consuming less fuel.One of the primary advantages of direct injection is its ability to improve fuel efficiency. By precisely controlling the amount of fuel injected into the combustion chamber, manufacturers can optimize combustion conditions, which leads to better fuel economy. This is particularly important in today’s world, where fuel prices are constantly fluctuating and environmental concerns are at the forefront of public discourse. Vehicles with direct injection technology tend to have lower carbon emissions, making them more environmentally friendly options.Moreover, direct injection contributes to enhanced engine performance. The increased pressure and precision of fuel delivery allow for a more complete combustion process, which translates to more power generated from each cycle. This means that drivers can enjoy a more responsive driving experience, with quicker acceleration and improved overall performance.However, it is essential to acknowledge some challenges associated with direct injection. One of the most significant issues is the potential for carbon buildup on the intake valves. Unlike traditional fuel injection systems, where fuel washes over the intake valves and keeps them clean, direct injection systems do not provide the same cleaning effect. Over time, this can lead to reduced engine performance and increased maintenance costs. Therefore, regular maintenance and cleaning procedures are necessary to ensure that engines utilizing direct injection continue to perform optimally.In conclusion, direct injection has revolutionized the automotive industry by providing a more efficient and powerful means of fuel delivery. Its ability to enhance fuel efficiency and engine performance has made it a popular choice among manufacturers and consumers alike. However, as with any technology, it comes with its own set of challenges that must be addressed. As we continue to seek ways to improve our vehicles' performance while minimizing their environmental impact, direct injection will undoubtedly play a crucial role in shaping the future of automotive engineering.

近年来，汽车技术取得了显著进步，导致更高效、更强大的发动机的发展。在这个领域中，最值得注意的创新之一是使用直接喷射，这是一种燃料输送系统，改变了内燃机的工作方式。这项技术允许将燃料更精确地直接注入燃烧室，与传统燃油喷射系统相比，能够提高性能和效率。直接喷射的原理相对简单。在传统的燃油喷射系统中，燃料在进入燃烧室之前与空气混合。然而，在直接喷射中，燃料以高压直接注入燃烧室。这种方法不仅增强了燃料的雾化效果，还使得对燃烧过程的控制更加准确。因此，配备直接喷射系统的发动机能够在消耗更少燃料的同时实现更高的功率输出。直接喷射的主要优点之一是提高燃油效率。通过精确控制注入燃烧室的燃料量，制造商可以优化燃烧条件，从而提高燃油经济性。在当今这个燃料价格不断波动、环境问题受到公众关注的时代，这一点尤为重要。配备直接喷射技术的车辆通常具有较低的碳排放，使其成为更环保的选择。此外，直接喷射还有助于提升发动机性能。燃料输送的压力和精度增加，使得燃烧过程更加完全，从而每个循环产生更多的动力。这意味着驾驶者可以享受到更灵敏的驾驶体验，更快的加速和更好的整体性能。然而，也必须承认与直接喷射相关的一些挑战。其中最显著的问题是进气阀上可能出现的碳积聚。与传统燃油喷射系统不同，传统系统中的燃料会冲刷进气阀并保持其清洁，而直接喷射系统则没有提供相同的清洁效果。随着时间的推移，这可能导致发动机性能下降和维护成本增加。因此，定期的维护和清洁程序对于确保利用直接喷射的发动机继续最佳运行至关重要。总之，直接喷射通过提供更高效、更强大的燃料输送手段，彻底改变了汽车行业。它提高燃油效率和发动机性能的能力使其成为制造商和消费者的热门选择。然而，正如任何技术一样，它也带来了必须解决的一系列挑战。在我们继续寻求改善车辆性能的同时，尽量减少其对环境的影响时，直接喷射无疑将在塑造汽车工程的未来中发挥关键作用。