grab dredger

简明释义

抓斗式挖泥船

英英释义

例句

1.We hired a grab dredger to assist with the beach restoration project.

我们雇用了一艘抓斗挖泥船来协助海滩恢复项目。

2.During the maintenance works, the grab dredger efficiently cleared debris from the waterway.

在维护工作期间，抓斗挖泥船高效地清除了水道中的杂物。

3.A grab dredger is essential for deepening harbors and ports.

抓斗挖泥船对于加深港口和码头至关重要。

4.The grab dredger was able to scoop up large chunks of rock from the seabed.

抓斗挖泥船能够从海底铲起大块岩石。

5.The construction team used a grab dredger to remove sediment from the riverbed.

施工队使用抓斗挖泥船从河床中清除沉积物。

作文

The world’s waterways are essential for trade, transportation, and the ecosystem. To maintain these vital channels, various types of dredging equipment are employed, one of which is the grab dredger. A grab dredger is a type of dredging vessel that uses a mechanical grab to excavate material from the bottom of rivers, lakes, and harbors. This equipment plays a crucial role in ensuring that navigational routes remain clear and that sediment does not accumulate excessively. Dredging has been practiced for centuries, but modern technology has significantly enhanced its efficiency and effectiveness. The grab dredger operates by lowering a clamshell-like bucket into the water, which then closes around the sediment or debris at the bottom. Once the bucket is filled, it is lifted back to the surface and the material is deposited onto a barge or the shore. This method is particularly useful in areas where precision is required, such as near docks or in shallow waters. One of the primary advantages of using a grab dredger is its ability to operate in confined spaces. Unlike other dredging methods that may require larger vessels or more extensive equipment, the compact design of a grab dredger allows it to maneuver easily in tight spots. This makes it an ideal choice for maintenance dredging in urban areas where space is limited.Environmental considerations are also paramount in modern dredging practices. The use of a grab dredger can be less disruptive to the underwater ecosystem compared to other dredging methods. Because it selectively removes sediment rather than indiscriminately scooping up large volumes of material, it helps to minimize the impact on aquatic life. Additionally, careful planning and execution of dredging operations can help avoid disturbing sensitive habitats.However, the operation of a grab dredger is not without its challenges. Operators must be skilled in navigating the complexities of underwater topography and ensuring that the dredging process does not compromise the stability of the surrounding environment. Furthermore, there are regulations in place that govern dredging activities to protect marine ecosystems, and compliance with these regulations is essential for sustainable practices.In conclusion, the grab dredger is an indispensable tool in the field of dredging. Its ability to operate efficiently in confined spaces while minimizing environmental impact makes it a preferred choice for many dredging projects. As we continue to rely on our waterways for commerce and transportation, understanding the role of equipment like the grab dredger becomes increasingly important. The future of dredging will undoubtedly involve continued advancements in technology and a greater emphasis on environmental stewardship, ensuring that our waterways remain navigable and healthy for generations to come.

世界的水道对于贸易、运输和生态系统至关重要。为了维护这些重要的通道，各种类型的疏浚设备被使用，其中之一就是抓斗挖泥船。抓斗挖泥船是一种使用机械抓斗从河流、湖泊和港口底部挖掘材料的疏浚船只。这种设备在确保航行路线保持畅通和沉积物不至于过度积累方面发挥着至关重要的作用。疏浚已经有几个世纪的历史，但现代技术显著提高了其效率和有效性。抓斗挖泥船通过将一个类似于贝壳的铲斗降入水中，然后在底部的沉积物或碎片周围关闭，来进行操作。一旦铲斗装满，它就会被提升到水面，并将材料放置在驳船或岸上。这种方法在需要精确操作的地方，尤其是在码头附近或浅水区，非常有用。使用抓斗挖泥船的主要优点之一是其能够在有限空间内操作。与其他可能需要更大船只或更广泛设备的疏浚方法相比，抓斗挖泥船的紧凑设计使其能够轻松在狭小的地方机动。这使得它成为城市地区维护疏浚的理想选择。环境考虑在现代疏浚实践中也至关重要。使用抓斗挖泥船相较于其他疏浚方法对水下生态系统的干扰可能更小。由于它选择性地去除沉积物，而不是无差别地挖掘大量材料，因此有助于减少对水生生物的影响。此外，仔细规划和执行疏浚作业可以帮助避免干扰敏感栖息地。然而，抓斗挖泥船的操作并非没有挑战。操作员必须熟练掌握水下地形的复杂性，并确保疏浚过程不会破坏周围环境的稳定性。此外，还有规定管理疏浚活动，以保护海洋生态系统，遵守这些规定对于可持续实践至关重要。总之，抓斗挖泥船是疏浚领域中不可或缺的工具。它在有限空间内高效操作，同时最小化环境影响，使其成为许多疏浚项目的首选。随着我们继续依赖水道进行商业和运输，理解像抓斗挖泥船这样的设备的作用变得越来越重要。疏浚的未来无疑将涉及技术的持续进步以及对环境保护的更大重视，确保我们的水道在未来几代人中保持可通航和健康。