double leaf swing bridge

简明释义

双翼平旋桥

英英释义

例句

1.The city council approved the construction of a new double leaf swing bridge to improve traffic flow over the river.

市议会批准建设一座新的双叶摆桥以改善河流交通流量。

2.When the double leaf swing bridge is closed, it provides a stable pathway for cars crossing the river.

当双叶摆桥关闭时，它为过河的汽车提供了稳定的通道。

3.The maintenance crew inspected the gears of the double leaf swing bridge to ensure it operates smoothly.

维护人员检查了双叶摆桥的齿轮，以确保其平稳运作。

4.The engineering team designed the double leaf swing bridge to accommodate both pedestrian and vehicular traffic.

工程团队设计的双叶摆桥能够容纳行人和车辆通行。

5.During our boat tour, we passed under the double leaf swing bridge, which opened to let us through.

在我们的船游中，我们经过了双叶摆桥，它打开让我们通过。

作文

The concept of a double leaf swing bridge is fascinating and plays a significant role in modern engineering and transportation. A double leaf swing bridge is a type of movable bridge that consists of two leaves or sections, which can rotate around a central pivot point to allow for the passage of boats and ships beneath it. This innovative design not only enhances navigation efficiency but also minimizes the disruption to road traffic when the bridge is closed. In many urban areas, waterways are essential for commerce and transport. However, these waterways often intersect with roads, creating a challenge for both vehicular and maritime traffic. The double leaf swing bridge serves as an elegant solution to this problem. When a vessel approaches, the two leaves of the bridge can swing open, creating a clear passage for the ship to navigate through. Once the vessel has passed, the leaves can swing back into position, allowing vehicles to continue their journey without long delays.The construction of a double leaf swing bridge involves intricate engineering and careful planning. Engineers must consider various factors, including the weight of the bridge, the materials used, and the mechanics of the swinging mechanism. Additionally, the bridge must be designed to withstand harsh weather conditions and the forces exerted by both road traffic and water currents. One of the most notable examples of a double leaf swing bridge is the famous "Bascule Bridge" in Chicago, which showcases the beauty and functionality of this design. This bridge not only serves as a critical transportation link but also stands as a testament to the ingenuity of modern engineering.From an environmental perspective, double leaf swing bridges can contribute to sustainable transportation systems. By allowing for the smooth flow of both road and maritime traffic, these bridges reduce congestion and lower emissions from idling vehicles. Furthermore, they preserve the natural landscape by minimizing the need for extensive land alterations typically required for fixed bridges.In conclusion, the double leaf swing bridge represents a remarkable achievement in bridge engineering. Its ability to accommodate both vehicular and maritime traffic makes it a vital infrastructure component in many cities around the world. As we continue to develop smarter and more efficient transportation solutions, the double leaf swing bridge will undoubtedly remain an important part of our urban landscapes, facilitating movement and connectivity for years to come.

“双叶摆桥”的概念令人着迷，在现代工程和交通运输中发挥着重要作用。“双叶摆桥”是一种可移动桥梁，由两个叶片或部分组成，这些部分可以围绕中心支点旋转，以允许船只和船舶在其下方通过。这种创新设计不仅提高了航行效率，还在桥梁关闭时最大限度地减少了对道路交通的干扰。在许多城市地区，水道对商业和运输至关重要。然而，这些水道通常与道路交叉，给车辆和海事交通带来了挑战。“双叶摆桥”作为这个问题的优雅解决方案。当船只接近时，桥的两个叶片可以摆动打开，为船舶创造一个清晰的通道。一旦船只通过，叶片可以回到原位，让车辆继续行驶，而不必长时间等待。“双叶摆桥”的建造涉及复杂的工程和仔细的规划。工程师必须考虑各种因素，包括桥梁的重量、所用材料以及摆动机制的机械性能。此外，桥梁还必须设计得能够承受恶劣天气条件以及道路交通和水流施加的力量。“双叶摆桥”的一个著名例子是芝加哥的“升降桥”，它展示了这种设计的美丽和功能性。这座桥不仅作为关键的交通连接，还作为现代工程智慧的见证。从环境的角度来看，“双叶摆桥”可以为可持续交通系统做出贡献。通过允许道路和海事交通的顺畅流动，这些桥梁减少了拥堵，并降低了怠速车辆的排放。此外，它们通过最小化固定桥梁通常需要的大规模土地改造，来保护自然景观。总之，“双叶摆桥”代表了桥梁工程的显著成就。其能够容纳车辆和海事交通的能力，使其成为世界许多城市基础设施的重要组成部分。随着我们继续开发更智能、更高效的交通解决方案，“双叶摆桥”无疑将继续作为我们城市景观的重要组成部分，在未来数年内促进移动性和连通性。