main gear

简明释义

主传动装置

英英释义

例句

1.The aircraft's main gear is designed to withstand heavy loads during landing.

该飞机的主起落架设计用于承受着陆时的重载。

2.He reported a problem with the main gear that needed immediate attention.

他报告了一个需要立即处理的主起落架问题。

3.During the landing, the main gear touched down smoothly on the runway.

在着陆时，主起落架平稳地接触了跑道。

4.The pilot checked the main gear before takeoff to ensure it was functioning properly.

飞行员在起飞前检查了主起落架以确保其正常运作。

5.The mechanics inspected the main gear for any signs of wear and tear.

机械师检查了主起落架是否有磨损的迹象。

作文

In the world of aviation, understanding the intricate mechanics of an aircraft is crucial for both pilots and engineers. One of the essential components that plays a significant role in the operation of an aircraft is the main gear. The main gear (主起落架) refers to the primary landing gear system that supports the weight of the aircraft during takeoff, landing, and while on the ground. It is typically located under the fuselage and consists of two main wheels that are designed to absorb the impact during landing and provide stability during taxiing. The design and functionality of the main gear are vital for ensuring the safety and efficiency of flight operations. When an aircraft lands, the main gear must be able to withstand the forces exerted upon it, which can be substantial depending on the aircraft's size and weight. Engineers meticulously calculate these forces to ensure that the materials used in the main gear are strong enough to handle them without failure.Moreover, the main gear plays a critical role in the overall aerodynamics of the aircraft. When an aircraft is in flight, the position and design of the main gear can affect drag and stability. For instance, retractable main gear systems are designed to minimize aerodynamic drag by stowing the wheels inside the fuselage during flight, thus enhancing fuel efficiency and performance. This innovation showcases how the main gear is not just a static component but an integral part of the aircraft's design that contributes to its overall functionality.Furthermore, regular maintenance and inspection of the main gear are paramount for flight safety. Mechanics conduct thorough checks to ensure that the wheels, brakes, and associated components are in optimal condition before each flight. Any signs of wear or damage can lead to catastrophic failures if not addressed promptly. Pilots also receive training to understand the main gear system, allowing them to respond effectively in case of emergencies related to landing gear malfunction.In conclusion, the main gear (主起落架) is a fundamental aspect of aircraft design and operation. Its importance cannot be overstated, as it directly impacts the safety, performance, and efficiency of flights. Understanding the main gear and its functions helps to appreciate the complexity of aviation technology and the meticulous engineering that goes into creating safe and reliable aircraft. Whether you are a pilot, engineer, or aviation enthusiast, recognizing the significance of the main gear enhances your knowledge of how airplanes operate and the innovations that continue to improve air travel.