topping lift purchase

简明释义

千斤索绞辘

英英释义

例句

1.Before we set sail, we need to complete the topping lift purchase to ensure the boom is properly supported.

在我们起航之前，我们需要完成顶升索购买以确保船桅得到适当的支撑。

2.I forgot to include the topping lift purchase in my budget for the sailing equipment.

我忘记在我的航海设备预算中包括顶升索购买。

3.The topping lift purchase was essential for maintaining the stability of the mainsail during our last trip.

在我们上次旅行中，顶升索购买对保持主帆的稳定性至关重要。

4.After reviewing the inventory, we realized we needed a new topping lift purchase for the upcoming regatta.

在检查库存后，我们意识到我们需要为即将到来的比赛购买新的顶升索。

5.The marine store had a great selection for our topping lift purchase, making it easy to find what we needed.

那家海洋商店有很好的选择供我们进行顶升索购买，使我们很容易找到所需的东西。

作文

In the world of sailing and boating, various terms and equipment are essential for ensuring safety and enhancing the performance of a vessel. One such term that often comes up in discussions among sailors is the topping lift purchase. Understanding this concept can significantly improve a sailor's ability to manage their sails and rigging effectively.The topping lift purchase refers to a system of ropes and pulleys used to support the boom of a sailboat when the sail is not in use or when it is being raised or lowered. This mechanism allows sailors to control the angle and position of the boom, which is crucial for maintaining balance and stability on the water. By using a topping lift purchase, sailors can prevent the boom from dropping too low, which could lead to dangerous situations, especially in rough seas.To further understand the importance of the topping lift purchase, it is essential to consider its role in sail handling. When a sailor wants to lower the mainsail, they must first secure the boom using the topping lift. This ensures that the boom remains elevated and does not swing wildly, which could cause injury to crew members or damage to the boat. Similarly, when raising the mainsail, the topping lift provides the necessary support to keep the boom in place until the sail is fully deployed.The mechanics behind the topping lift purchase involve the use of blocks and tackle, which create a mechanical advantage that makes it easier to lift heavy loads. The purchase system typically consists of a line that runs through a series of pulleys, allowing the sailor to apply less force to lift the boom than would be required if lifting it directly. This efficiency is particularly valuable when dealing with larger vessels where the weight of the boom can be substantial.Moreover, the topping lift purchase can also be adjusted to accommodate different wind conditions. For instance, in strong winds, it may be necessary to tighten the topping lift to keep the boom from moving excessively, while in lighter winds, a looser topping lift may allow for more sail flexibility. This adaptability is crucial for optimizing sailing performance and ensuring the safety of the crew.In addition to its practical applications, the topping lift purchase is also an excellent example of how technology and design have evolved in the sailing industry. Modern materials and innovations have led to the development of lighter and stronger lines and blocks, making these systems more efficient and easier to handle. Sailors today benefit from advancements that were not available to their predecessors, allowing for a more enjoyable and safer sailing experience.In conclusion, the topping lift purchase is a vital component of sailboat rigging that plays a crucial role in sail management and safety. By understanding how to use and adjust this system, sailors can enhance their sailing skills and ensure a smoother voyage. Whether you are a novice sailor or an experienced mariner, mastering the topping lift purchase will undoubtedly contribute to your overall sailing proficiency and enjoyment on the water.

在航海和划船的世界中，各种术语和设备对于确保船只的安全和提高性能至关重要。其中一个常在水手讨论中出现的术语是顶升索购买。理解这个概念可以显著提高水手有效管理他们的帆和索具的能力。顶升索购买是指用于支撑帆船的横杆（boom）的绳索和滑轮系统，当帆不使用或正在升降时。这个机制使水手能够控制横杆的角度和位置，这对于保持船只的平衡和稳定性至关重要。通过使用顶升索购买，水手可以防止横杆下落过低，这可能导致危险的情况，尤其是在恶劣的海况中。为了进一步理解顶升索购买的重要性，有必要考虑它在帆处理中的作用。当水手想要放下主帆时，他们必须首先用顶升索固定横杆。这确保了横杆保持在高位，不会剧烈摆动，可能会对船员造成伤害或损坏船只。同样，在升起主帆时，顶升索提供必要的支撑，以保持横杆在位，直到帆完全展开。顶升索购买背后的机械原理涉及到滑轮和卷扬机的使用，这创造了一种机械优势，使得提升重物变得更容易。购买系统通常由一条绳索组成，该绳索穿过一系列滑轮，使水手施加的力量比直接提升横杆所需的力量少。这种效率在处理较大船只时尤为重要，因为横杆的重量可能相当可观。此外，顶升索购买还可以根据不同的风况进行调整。例如，在强风中，可能需要收紧顶升索以防止横杆过度移动，而在轻风中，较松的顶升索可能允许更多的帆灵活性。这种适应性对于优化航行性能和确保船员的安全至关重要。除了其实际应用外，顶升索购买也是航海工业技术和设计如何发展的一个绝佳例子。现代材料和创新导致了更轻、更强的绳索和滑轮的发展，使这些系统更加高效和易于操作。今天的水手受益于他们的前辈无法获得的进步，从而使航行体验更加愉快和安全。总之，顶升索购买是帆船索具的一个重要组成部分，在帆管理和安全中发挥着至关重要的作用。通过了解如何使用和调整这个系统，水手可以提高他们的航海技能，确保航行更加顺利。无论你是新手水手还是经验丰富的海员，掌握顶升索购买无疑会有助于提高你整体的航海能力和在水上的乐趣。