engine priming

简明释义

发动机起动注油

英英释义

例句

1.Before starting the boat, make sure to perform engine priming (发动机预充) to ensure smooth operation.

在启动船只之前，确保进行engine priming（发动机预充），以确保顺利运行。

2.In cold weather, engine priming (发动机预充) can help start the engine more easily.

在寒冷的天气中，engine priming（发动机预充）可以帮助更容易地启动发动机。

3.The mechanic explained that engine priming (发动机预充) is crucial for the longevity of the engine.

机械师解释说，engine priming（发动机预充）对发动机的寿命至关重要。

4.After replacing the fuel filter, don’t forget to do engine priming (发动机预充) to get the fuel flowing.

更换燃油滤清器后，不要忘记进行engine priming（发动机预充）以使燃油流动。

5.He learned that engine priming (发动机预充) is often necessary after maintenance work on the vehicle.

他了解到，在车辆维护工作后，通常需要进行engine priming（发动机预充）。

作文

In the world of machinery and automotive engineering, the term engine priming refers to the process of preparing an engine for operation by ensuring that fuel and oil are properly circulated within the system. This crucial step is often overlooked by novice mechanics and vehicle owners, yet it plays a vital role in enhancing engine performance and longevity. Understanding engine priming can significantly impact how effectively an engine runs, especially in colder climates or after long periods of inactivity.When an engine is not used for an extended period, fuel can evaporate, and oil may settle at the bottom of the oil pan. This can lead to difficulties when starting the engine, as it may take longer for fuel to reach the combustion chamber and for oil to lubricate the moving parts. Herein lies the importance of engine priming; it involves manually introducing fuel into the engine's fuel system and circulating oil through the engine before starting it.For instance, in many modern vehicles, the fuel system is designed with a pump that automatically primes the engine when the ignition is turned on. However, in older vehicles or those with specific mechanical designs, the owner may need to take additional steps. This could include using a priming bulb or manually cranking the engine without starting it to allow the fuel pump to circulate the fuel. Such actions ensure that the engine is ready to operate efficiently right from the first turn of the key.Moreover, engine priming is particularly essential in cold weather conditions. When temperatures drop, the viscosity of engine oil increases, making it thicker and less effective at lubricating the engine components. By priming the engine, the owner can help the oil circulate more freely, reducing wear and tear on the engine during startup. This practice not only improves the chances of a successful start but also contributes to the overall health of the engine over time.Another aspect of engine priming is its relevance in various types of engines, including two-stroke and four-stroke engines. Two-stroke engines, commonly found in smaller machinery like chainsaws and lawnmowers, require a different approach to priming due to their unique design. In these cases, operators often use a primer bulb to inject a small amount of fuel directly into the carburetor, ensuring that the engine receives enough fuel to start smoothly.In conclusion, understanding the concept of engine priming is essential for anyone who operates machinery or vehicles. It is a simple yet effective way to enhance engine performance, especially after periods of inactivity or in cold weather. By taking the time to prime an engine properly, owners can avoid potential damage and ensure a longer lifespan for their vehicles. Whether it's through automatic systems in modern cars or manual techniques in older models, the practice of engine priming should be a standard part of vehicle maintenance routines. As we become more aware of the intricacies of engine operation, we can better appreciate the significance of such processes in keeping our machines running smoothly and efficiently.

在机械和汽车工程的世界中，术语发动机启动指的是通过确保燃料和油在系统内正确循环来准备发动机运行的过程。这个关键步骤常常被新手机械师和车主忽视，但它在提高发动机性能和延长使用寿命方面起着至关重要的作用。理解发动机启动可以显著影响发动机的有效运行，尤其是在寒冷气候或长时间不活动之后。当发动机长时间不使用时，燃料可能会蒸发，油可能会沉淀在油底壳的底部。这可能导致启动发动机时出现困难，因为燃料可能需要更长时间才能到达燃烧室，油也需要时间才能润滑运动部件。这就是发动机启动重要性的所在；它涉及手动将燃料引入发动机的燃油系统，并在启动之前循环油。例如，在许多现代车辆中，燃油系统设计有一个泵，当点火开关打开时会自动启动发动机。然而，在老旧车辆或具有特定机械设计的车辆中，车主可能需要采取额外步骤。这可能包括使用启动球或手动转动发动机而不启动，以便让燃油泵循环燃料。这些操作确保发动机能够在第一次转动钥匙时高效运行。此外，发动机启动在寒冷天气条件下尤为重要。当温度下降时，发动机油的粘度增加，使其变得更厚，润滑发动机部件的效果降低。通过启动发动机，车主可以帮助油更自由地循环，减少启动时对发动机的磨损。这种做法不仅提高了成功启动的机会，还能在长期内有助于发动机的整体健康。发动机启动的另一个方面是它在各种类型发动机中的相关性，包括二冲程和四冲程发动机。二冲程发动机通常用于链锯和割草机等小型机械，由于其独特的设计，需要不同的启动方法。在这些情况下，操作员通常使用启动球将少量燃料直接注入化油器，确保发动机获得足够的燃料以顺利启动。总之，了解发动机启动的概念对于任何操作机械或车辆的人来说都是至关重要的。这是一种简单而有效的方法，可以提高发动机性能，尤其是在长时间不活动或寒冷天气中。通过花时间正确启动发动机，车主可以避免潜在的损坏，并确保他们的车辆拥有更长的使用寿命。无论是通过现代汽车中的自动系统，还是在旧型号中使用手动技术，发动机启动的做法都应该成为车辆维护例行程序的一部分。随着我们对发动机操作复杂性的认识加深，我们可以更好地欣赏此类过程在保持机器平稳高效运行中的重要性。