manhole cover

简明释义

人孔盖

英英释义

例句

1.Please be careful when walking near that manhole cover; it looks loose.

走在那个井盖附近时请小心；它看起来松动。

2.The design of the manhole cover can vary from city to city.

不同城市的井盖设计可能会有所不同。

3.The city workers need to replace the broken manhole cover.

市政工人需要更换破损的井盖。

4.She tripped over the raised manhole cover on the sidewalk.

她在走道上被抬起的井盖绊倒了。

5.The manhole cover was painted to alert drivers about the construction work.

这个井盖被喷漆以提醒司机注意施工。

作文

The city of New York is known for its bustling streets, towering skyscrapers, and vibrant culture. However, one of the most overlooked yet essential elements of urban infrastructure is the humble manhole cover. These circular lids, often made of cast iron, serve a crucial purpose: they provide access to the underground utilities that power the city, including water, electricity, and sewage systems. Without these manhole covers, the urban landscape would be chaotic and unsafe.In many ways, manhole covers are the unsung heroes of city life. They protect the public from open holes in the street, ensuring that pedestrians and vehicles can safely traverse the roads. Additionally, they prevent debris and other materials from falling into the underground systems, which could cause significant damage and disruption. The design and placement of manhole covers are also carefully considered to maintain the integrity of the road surface and prevent accidents.Interestingly, manhole covers come in various designs and patterns, often reflecting the history and culture of the city they belong to. In New York, for instance, some manhole covers feature the emblem of the city or the initials of the utility company responsible for the maintenance of the underground systems. These artistic touches add character to the streets and can even spark conversations among locals and tourists alike.Moreover, the manufacturing of manhole covers is an industry in itself. Companies specializing in creating these covers must ensure that they meet specific safety standards, as they need to withstand the weight of heavy vehicles and the wear and tear of weather conditions. The process involves casting molten metal into molds, which then cools and solidifies into the durable products we see on our streets.Despite their importance, many people rarely think about manhole covers until they encounter a problem, such as a loose or damaged cover. Such issues can lead to accidents, prompting city officials to prioritize regular inspections and maintenance of these vital components of urban life. This highlights the need for public awareness about the role of manhole covers in maintaining the safety and functionality of our cities.In conclusion, while manhole covers may seem like mundane objects, they play a critical role in the infrastructure of urban environments. From providing access to essential utilities to ensuring public safety, these covers are a testament to the complexity and intricacy of city living. Next time you walk down a city street, take a moment to appreciate the manhole covers beneath your feet and recognize their contribution to the vibrant tapestry of urban life.

纽约市以其繁忙的街道、巍峨的摩天大楼和生动的文化而闻名。然而，城市基础设施中一个被忽视但至关重要的元素就是谦逊的井盖。这些通常由铸铁制成的圆形盖子，起着至关重要的作用：它们为地下公用设施提供了通道，这些设施为城市提供水、电和污水系统。如果没有这些井盖，城市景观将变得混乱和不安全。在许多方面，井盖是城市生活中的无名英雄。它们保护公众免受街道上开放孔洞的伤害，确保行人和车辆可以安全地穿越道路。此外，它们还防止碎片和其他材料掉入地下系统，这可能会造成重大损坏和中断。井盖的设计和放置也经过仔细考虑，以保持路面完整性并防止事故发生。有趣的是，井盖有各种设计和图案，通常反映出它们所属城市的历史和文化。例如，在纽约，一些井盖上印有城市的徽章或负责维护地下系统的公用事业公司的首字母。这些艺术性的装饰为街道增添了个性，甚至可以引发当地人和游客之间的对话。此外，井盖的制造本身也是一个行业。专门生产这些盖子的公司必须确保它们符合特定的安全标准，因为它们需要承受重型车辆的重量和恶劣天气的磨损。这个过程涉及将熔融金属铸造到模具中，然后冷却并固化成我们在街道上看到的耐用产品。尽管如此，许多人很少考虑井盖，直到遇到问题，比如松动或损坏的盖子。这种问题可能导致事故，促使城市官员优先进行定期检查和维护这些城市生活的重要组成部分。这突显了公众对井盖在维护城市安全和功能方面角色的认识需求。总之，虽然井盖看似平凡的物体，但它们在城市环境的基础设施中发挥着关键作用。从提供进入基本公用设施的通道到确保公众安全，这些盖子证明了城市生活的复杂性和精密性。下次你走在城市街道上时，不妨花一点时间欣赏你脚下的井盖，并认识到它们对城市生活生动画卷的贡献。