landing gear

简明释义

撑地装置

英英释义

Landing gear refers to the structure on an aircraft or spacecraft that supports it when on the ground and allows it to take off and land.

起落架是指飞机或航天器在地面上支撑其重量并允许其起飞和着陆的结构。

例句

1.The pilot performed a successful landing after the landing gear 起落架 malfunction was fixed.

在修复了起落架的故障后,飞行员成功着陆。

2.Before takeoff, the crew checked the landing gear 起落架 to ensure it was fully operational.

在起飞前,机组人员检查了起落架以确保其完全正常。

3.The aircraft's landing gear 起落架 was damaged during the hard landing.

飞机在硬着陆过程中损坏了起落架

4.During the flight simulation, the students practiced deploying the landing gear 起落架 at various altitudes.

在飞行模拟中,学生们练习在不同高度放下起落架

5.The mechanics inspected the landing gear 起落架 for any signs of wear and tear.

机械师检查了起落架是否有磨损迹象。

作文

The term landing gear refers to the structure that supports an aircraft when it is on the ground and during takeoff and landing. It plays a crucial role in ensuring the safety and stability of the aircraft during these critical phases of flight. The landing gear typically consists of wheels, struts, and other components that absorb the impact of landing and provide a stable platform for the aircraft to rest upon. When an aircraft approaches for landing, the pilots must carefully manage the descent and speed, preparing to deploy the landing gear at the appropriate moment. This moment is vital, as deploying the landing gear too early or too late can lead to complications. Once the aircraft is aligned with the runway, the pilots extend the landing gear, which locks into place and prepares for touchdown. The design of the landing gear varies depending on the type of aircraft. For example, smaller general aviation planes often have fixed landing gear, which means the wheels are permanently attached and do not retract. In contrast, commercial airliners and military jets usually feature retractable landing gear, which can be pulled up into the fuselage during flight to reduce drag. This design is particularly important for high-speed aircraft, where aerodynamic efficiency is critical. One of the most significant challenges related to landing gear is ensuring that it can withstand the forces experienced during landing. The impact of landing can be substantial, sometimes reaching several times the weight of the aircraft. Therefore, engineers must carefully calculate the materials and design of the landing gear to ensure it can handle these forces. Additionally, landing gear must also be reliable and function correctly under various conditions, including extreme weather and rough terrain. Maintenance of the landing gear is essential for flight safety. Regular inspections and servicing are conducted to check for wear and tear, ensuring that all components are functioning correctly. Pilots are trained to recognize any abnormalities related to the landing gear during pre-flight checks and are prepared to handle emergencies that may arise during landing. In some cases, if the landing gear fails to deploy properly, pilots must execute alternative landing procedures, such as a belly landing, which can be risky but is sometimes necessary. In conclusion, the landing gear is a vital component of any aircraft, providing the necessary support during takeoff and landing. Its design, functionality, and maintenance are crucial aspects of aviation safety. Understanding the importance of the landing gear helps us appreciate the complexities involved in flying and the engineering marvels that make air travel possible. As technology continues to advance, we can expect further innovations in landing gear design, enhancing the safety and efficiency of future aircraft.

术语landing gear指的是支撑飞机在地面和起飞及着陆期间的结构。它在确保飞机在这些关键飞行阶段的安全性和稳定性方面发挥着至关重要的作用。landing gear通常由轮子、支柱和其他部件组成,这些部件能够吸收着陆时的冲击并为飞机提供一个稳定的平台。当飞机接近着陆时,飞行员必须仔细管理下降和速度,准备在适当的时刻放下landing gear。这个时刻至关重要,因为过早或过晚放下landing gear可能会导致并发症。一旦飞机与跑道对齐,飞行员就会扩展landing gear,其锁定到位,为触地做好准备。landing gear的设计因飞机类型而异。例如,较小的通用航空飞机通常具有固定的landing gear,这意味着轮子是永久连接的,不会收回。相比之下,商用客机和军用喷气机通常配备可收回的landing gear,可以在飞行中收回到机身内,以减少阻力。这种设计对高速飞机尤其重要,因为空气动力效率至关重要。与landing gear相关的一个重大挑战是确保其能够承受着陆过程中经历的力量。着陆的冲击可能是巨大的,有时达到飞机重量的几倍。因此,工程师必须仔细计算landing gear的材料和设计,以确保其能够处理这些力量。此外,landing gear还必须可靠,并能在各种条件下正常工作,包括极端天气和崎岖地形。landing gear的维护对于飞行安全至关重要。定期检查和维修是为了检查磨损,确保所有部件正常运作。飞行员经过培训,能够在飞行前检查中识别与landing gear相关的任何异常,并准备处理着陆过程中可能出现的紧急情况。在某些情况下,如果landing gear未能正确展开,飞行员必须执行替代着陆程序,例如腹部着陆,这可能很危险,但有时是必要的。总之,landing gear是任何飞机的重要组成部分,在起飞和着陆期间提供必要的支持。其设计、功能和维护是航空安全的关键方面。理解landing gear的重要性有助于我们欣赏飞行中的复杂性以及使航空旅行成为可能的工程奇迹。随着技术的不断进步,我们可以期待未来飞机在landing gear设计方面的进一步创新,提高未来飞机的安全性和效率。

相关单词

landing

landing详解:怎么读、什么意思、用法

gear

gear详解:怎么读、什么意思、用法