mast arm

简明释义

灯具悬臂

英英释义

例句

1.During the construction, they had to reinforce the mast arm 信号杆臂 to support the weight of the new lights.

在施工过程中，他们必须加固mast arm 信号杆臂以支撑新灯的重量。

2.The engineer measured the length of the mast arm 信号杆臂 before installation.

工程师在安装前测量了mast arm 信号杆臂的长度。

3.The city decided to replace the old mast arm 信号杆臂 with a more durable model.

市政府决定用更耐用的型号替换旧的mast arm 信号杆臂。

4.The traffic signal was mounted on the mast arm 信号杆臂 to improve visibility for drivers.

交通信号灯安装在mast arm 信号杆臂上，以提高司机的可见性。

5.A strong wind caused the mast arm 信号杆臂 to sway dangerously.

强风导致mast arm 信号杆臂剧烈摇摆，十分危险。

作文

The term mast arm refers to a structural component commonly found in various engineering and construction applications, particularly in the field of traffic signal systems. A mast arm is essentially a horizontal arm that extends from a vertical pole or mast, typically used to support traffic signals, streetlights, or other types of overhead signage. Understanding the function and significance of the mast arm is crucial for urban planning and traffic management. In many urban environments, traffic signals play a vital role in ensuring the safety and efficiency of roadways. The mast arm is designed to hold these signals at an appropriate height and distance from the intersection, allowing for maximum visibility for drivers and pedestrians alike. When installed correctly, a mast arm can significantly reduce the risk of accidents by providing clear guidance on when to stop or proceed.One of the key advantages of using a mast arm is its ability to extend beyond the intersection, which can help to eliminate visual obstructions caused by nearby buildings, trees, or other structures. This extended reach ensures that the traffic signals are easily visible from multiple directions, thereby improving communication with drivers. For instance, when approaching an intersection, a driver should be able to see the illuminated traffic signal well in advance, thanks to the strategically placed mast arm.Moreover, the design of a mast arm allows for flexibility in terms of installation. Depending on the specific requirements of an intersection, engineers can choose various lengths and angles for the mast arm. This adaptability is essential in urban settings where space is limited and each intersection may present unique challenges. In some cases, a longer mast arm may be necessary to ensure visibility over other obstacles, while in other situations, a shorter arm may suffice.Furthermore, the materials used in constructing a mast arm are also important. Typically made from durable materials such as steel or aluminum, a mast arm must withstand various environmental factors, including wind, rain, and snow. Engineers must consider these elements during the design phase to ensure that the mast arm remains functional and safe throughout its lifespan.In addition to traffic signals, mast arms can also support other types of equipment, such as cameras for monitoring traffic flow or emergency response systems. This multifunctionality makes them an integral part of modern traffic management systems. As cities continue to grow and evolve, the importance of well-designed mast arms will only increase, as they contribute to safer and more efficient transportation networks.In conclusion, the mast arm is a critical component in urban traffic management, serving not only to support traffic signals but also to enhance overall road safety. By understanding the role of the mast arm, city planners and engineers can make informed decisions that ultimately lead to better infrastructure and improved public safety. As we look toward the future of urban development, the significance of the mast arm will undoubtedly remain a key focus in creating efficient and safe transportation systems.

短语mast arm指的是在各种工程和建筑应用中常见的结构组件，特别是在交通信号系统领域。mast arm基本上是从垂直杆或桅杆延伸出的水平臂，通常用于支撑交通信号、路灯或其他类型的高架标志。理解mast arm的功能和重要性对于城市规划和交通管理至关重要。在许多城市环境中，交通信号在确保道路安全和效率方面发挥着至关重要的作用。mast arm旨在将这些信号保持在适当的高度和距离，从而最大限度地提高驾驶员和行人的可见性。当正确安装时，mast arm可以显著降低事故风险，通过提供明确的停车或通行指示。使用mast arm的一个主要优点是它能够超出交叉口延伸，这可以帮助消除由于附近建筑、树木或其他结构造成的视觉障碍。这种延伸确保交通信号从多个方向都能轻松看到，从而改善与驾驶员的沟通。例如，当接近交叉口时，驾驶员应该能够提前看到亮起的交通信号，这要归功于战略性放置的mast arm。此外，mast arm的设计允许在安装方面具有灵活性。根据交叉口的具体要求，工程师可以选择不同长度和角度的mast arm。这种适应性在城市环境中至关重要，因为空间有限，每个交叉口可能会面临独特的挑战。在某些情况下，可能需要更长的mast arm以确保越过其他障碍物的可见性，而在其他情况下，较短的臂可能就足够了。此外，构建mast arm所用的材料也很重要。通常由钢或铝等耐用材料制成，mast arm必须承受各种环境因素，包括风、雨和雪。工程师在设计阶段必须考虑这些因素，以确保mast arm在其整个生命周期内保持功能和安全。除了交通信号之外，mast arm还可以支撑其他类型的设备，例如监控交通流量的摄像头或紧急响应系统。这种多功能性使其成为现代交通管理系统的重要组成部分。随着城市的不断发展和演变，设计良好的mast arm的重要性只会增加，因为它们有助于更安全、更高效的交通网络。总之，mast arm是城市交通管理中的关键组成部分，不仅用于支撑交通信号，还提升整体道路安全。通过理解mast arm的作用，城市规划者和工程师可以做出明智的决策，最终导致更好的基础设施和改善的公共安全。展望未来城市发展，mast arm的重要性无疑将继续成为创建高效和安全交通系统的关键焦点。