drag line

简明释义

拖绳

英英释义

例句

1.In mining operations, a drag line is essential for digging up large amounts of earth.

在采矿作业中，拖链对于挖掘大量土壤是必不可少的。

2.The construction crew used a drag line to move heavy materials across the site.

施工队使用了一个拖链来在工地上移动重物。

3.Using a drag line can significantly reduce the time needed for excavation projects.

使用拖链可以显著减少挖掘项目所需的时间。

4.The drag line was instrumental in shaping the landscape for the new park.

这个拖链在为新公园塑造景观方面发挥了重要作用。

5.The operator skillfully maneuvered the drag line to clear debris from the river.

操作员熟练地操控着拖链清理河流中的碎片。

作文

In the world of heavy machinery and construction, the term drag line refers to a type of excavating equipment that is used for various earth-moving tasks. This machine is particularly known for its ability to move large amounts of material efficiently, making it an essential tool in mining operations, civil engineering projects, and large-scale construction sites. A drag line operates using a long boom and a bucket that is suspended from the end of the boom. The bucket is dragged toward the machine by a cable system, allowing it to scoop up soil or other materials. This unique mechanism is what sets the drag line apart from other types of excavators, such as backhoes or front-end loaders.The operation of a drag line is fascinating and involves a combination of mechanical and hydraulic systems. When the operator wants to excavate a certain area, they will lower the bucket into the ground and then pull it towards the machine. The design of the drag line allows it to reach significant depths, making it suitable for digging trenches, ponds, and even foundations for buildings. One of the advantages of using a drag line is its ability to work in soft or loose soil conditions where other machines might struggle.Moreover, drag lines are often used in mining operations to extract coal, minerals, and other resources from the earth. In these settings, the efficiency of the drag line can greatly affect the overall productivity of the operation. The size and power of these machines enable them to move massive quantities of overburden, which is the layer of soil and rock that must be removed to access the valuable materials beneath.While the benefits of using a drag line are clear, there are also challenges associated with its operation. For instance, the setup and transportation of a drag line can be complex due to its size and weight. Additionally, operators need specialized training to handle these machines safely and effectively. Proper maintenance is also crucial, as the wear and tear on the components can lead to costly repairs if not addressed promptly.In conclusion, the drag line is an invaluable piece of equipment in the construction and mining industries. Its unique design and operational capabilities allow it to perform tasks that are essential for various projects. Understanding how a drag line works and its applications can provide insights into the complexities of heavy machinery and its role in shaping our environment. As technology continues to advance, we can expect to see further innovations in drag line design and functionality, enhancing their efficiency and effectiveness in future projects.

在重型机械和建筑的世界中，术语拖拉线指的是一种用于各种土方作业的挖掘设备。这种机器以其高效移动大量物料的能力而闻名，使其成为矿业、土木工程项目和大型建筑工地的必备工具。拖拉线使用一根长臂和悬挂在臂端的铲斗进行操作。当操作员想要挖掘某个区域时，他们会将铲斗降低到地面，然后通过缆绳系统将其拖向机器。这种独特的机制使得拖拉线与其他类型的挖掘机（如反铲或前装载机）区别开来。拖拉线的操作过程非常有趣，涉及机械和液压系统的结合。当操作员想要挖掘特定区域时，他们会将铲斗降低到地面，然后将其拖向机器。拖拉线的设计使其能够达到相当大的深度，非常适合挖掘沟渠、池塘甚至建筑基础。使用拖拉线的一个优势是它能够在软土或松散土壤条件下工作，而其他机器可能会遇到困难。此外，拖拉线通常用于矿业操作，以从地下提取煤、矿物和其他资源。在这些环境中，拖拉线的效率可以极大地影响整体生产力。这些机器的大小和动力使它们能够移动大量的覆盖层，即必须移除的土壤和岩石，以便访问下面的有价值材料。虽然使用拖拉线的好处显而易见，但其操作也存在挑战。例如，由于其尺寸和重量，设置和运输拖拉线可能很复杂。此外，操作员需要专业培训才能安全有效地操纵这些机器。适当的维护也至关重要，因为部件的磨损如果不及时处理，可能会导致昂贵的维修费用。总之，拖拉线是建筑和矿业行业中不可或缺的设备。它独特的设计和操作能力使其能够执行各种项目所需的任务。了解拖拉线的工作原理及其应用，可以为我们提供对重型机械复杂性的深入了解，以及其在塑造我们环境中的作用。随着技术的不断进步，我们可以期待在拖拉线的设计和功能上看到进一步的创新，提高其在未来项目中的效率和有效性。