parrel truck

简明释义

滑珠环

英英释义

A parrel truck is a type of pulley or block used in rigging to allow for the adjustment and movement of ropes or cables on a ship or boat.

parrel truck是一种在索具中使用的滑轮或块,允许在船只上调整和移动绳索或电缆。

例句

1.The sailor adjusted the parrel truck to ensure the sail was properly aligned.

水手调整了parrel truck以确保帆的正确对齐。

2.Using a parrel truck helps to manage the tension in the rigging.

使用parrel truck有助于管理索具中的张力。

3.During the race, the team checked the parrel truck for any signs of wear.

在比赛期间,团队检查了parrel truck是否有磨损迹象。

4.The captain emphasized the importance of the parrel truck in maintaining sail shape.

船长强调了parrel truck在保持帆形状方面的重要性。

5.I need to replace the parrel truck on my boat before the summer sailing season.

在夏季航行季节之前,我需要更换我船上的parrel truck

作文

The world of sailing and maritime navigation is filled with specialized terminology that can often be confusing for those who are not familiar with it. One such term is parrel truck, which refers to a specific type of hardware used in the rigging of a sailing vessel. Understanding the function and importance of the parrel truck can greatly enhance one’s appreciation for the art of sailing. A parrel truck is typically a sliding block that is attached to a sail or a spar, allowing for smooth movement along a vertical track, usually on a mast. This device plays a crucial role in the adjustment of sails, enabling sailors to control the angle and position of the sail relative to the wind. The ability to adjust sails effectively is essential for optimizing speed and maneuverability, making the parrel truck an indispensable part of a sailboat’s rigging. In traditional sailing practices, the use of a parrel truck is vital for ensuring that the sails are set correctly and can be easily trimmed as conditions change. When a sailor wishes to change the angle of the sail, they can pull on the lines connected to the parrel truck, allowing it to slide smoothly up or down the mast. This action helps to position the sail at the optimal angle to catch the wind, thus improving the vessel's performance. Moreover, the design of the parrel truck often includes features that prevent it from getting stuck or jamming, which is critical when quick adjustments are necessary during sailing. The materials used in constructing a parrel truck are also important; they must be durable enough to withstand the harsh marine environment while remaining lightweight to ensure that the overall rigging does not become cumbersome. Another important aspect of the parrel truck is its role in maintaining the balance of the boat. A well-adjusted sail can help distribute weight evenly across the vessel, reducing the risk of capsizing. In this sense, the parrel truck contributes not only to the efficiency of the sailing process but also to the safety of the crew onboard. In summary, the parrel truck is a small yet significant component of sailing rigging that facilitates the adjustment and positioning of sails. Its ability to slide along the mast allows sailors to optimize their sails for various wind conditions, enhancing both speed and safety. For anyone interested in sailing, understanding the function of the parrel truck is essential, as it embodies the intricate relationship between technology and nature in the art of navigation. As we delve deeper into the world of sailing, we come to appreciate how each piece of equipment, including the parrel truck, plays a vital role in the overall experience of being on the water. In conclusion, the parrel truck is more than just a piece of hardware; it represents the ingenuity and craftsmanship that has evolved over centuries of maritime exploration. Whether you are a seasoned sailor or a novice, recognizing the significance of the parrel truck can deepen your understanding of sailing and enhance your enjoyment of this timeless activity.

航海和海上导航的世界充满了专业术语,这些术语对于不熟悉的人来说常常令人困惑。其中一个术语是parrel truck,指的是用于帆船索具的一种特定硬件。理解parrel truck的功能和重要性可以极大地增强人们对航海艺术的欣赏。parrel truck通常是一个滑动块,附着在帆或桅杆上,允许沿着垂直轨道平稳移动,通常位于桅杆上。该设备在调整帆的过程中起着至关重要的作用,使水手能够控制帆相对于风的角度和位置。有效调整帆的能力对于优化速度和机动性至关重要,因此parrel truck成为帆船索具中不可或缺的一部分。在传统航海实践中,使用parrel truck对于确保帆正确设置并且可以随时修剪至关重要。当水手希望改变帆的角度时,他们可以拉动与parrel truck连接的绳索,使其能够顺利上下滑动。这一动作有助于将帆定位在最佳角度以捕捉风,从而改善船只的性能。此外,parrel truck的设计通常包括防止其卡住或阻塞的功能,这在航行过程中需要快速调整时至关重要。制造parrel truck所用的材料也很重要;它们必须足够耐用以承受恶劣的海洋环境,同时保持轻便,以确保整体索具不会变得笨重。parrel truck的另一个重要方面是它在维持船只平衡中的作用。调整良好的帆可以帮助均匀分配船上的重量,减少翻覆的风险。在这个意义上,parrel truck不仅有助于航行过程的效率,还提高了船员的安全性。总之,parrel truck是航海索具中的一个小而重要的组成部分,它促进了帆的调整和定位。它沿着桅杆滑动的能力使水手能够针对各种风况优化他们的帆,从而增强速度和安全性。对于任何对航海感兴趣的人来说,理解parrel truck的功能是必不可少的,因为它体现了技术与自然之间在导航艺术中的复杂关系。随着我们深入探索航海的世界,我们会更加欣赏每一件设备,包括parrel truck,在水上体验中的重要作用。最后,parrel truck不仅仅是一个硬件部件;它代表了数百年来海洋探索中发展起来的聪明才智和工艺。无论你是经验丰富的水手还是新手,认识到parrel truck的重要性都能加深你对航海的理解,并提升你对这一永恒活动的享受。

相关单词

truck

truck详解:怎么读、什么意思、用法