hand lead line

简明释义

测深绳

英英释义

例句

1.Using the hand lead line, they discovered a submerged rock that could have damaged the boat.

利用手铅线，他们发现了一块可能会损坏船只的水下岩石。

2.During the training session, we learned how to use the hand lead line effectively.

在培训课程中，我们学习了如何有效使用手铅线。

3.The fisherman always carries a hand lead line to find the best fishing spots.

渔民总是携带手铅线以找到最佳钓鱼地点。

4.The captain instructed the crew to prepare the hand lead line for the upcoming dive.

船长指示船员为即将到来的潜水准备手铅线。

5.The sailor grabbed the hand lead line to measure the depth of the water before anchoring.

水手抓住手铅线以在抛锚前测量水深。

作文

In the world of sailing and maritime activities, the term hand lead line plays a crucial role in navigation and safety. A hand lead line is a simple yet effective tool used by sailors to measure the depth of water beneath their vessel. It consists of a long rope or line with a weight attached to one end, which is lowered into the water to gauge the depth. Understanding how to use a hand lead line can be vital for preventing grounding and ensuring safe passage through shallow waters.The use of a hand lead line dates back centuries, long before modern technology provided us with sophisticated sonar devices. Sailors would take a small lead weight, often shaped like a bulb or a cone, and attach it to a length of rope. By dropping this weighted line overboard and measuring how much of it was submerged, they could determine the depth of the water. This practice not only helped them navigate safely but also allowed them to identify underwater hazards such as rocks or sandbars.When using a hand lead line, there are a few key techniques that sailors should follow. First, it is essential to ensure that the weight is heavy enough to sink quickly and provide an accurate reading. Additionally, the rope should be marked at regular intervals to help the sailor gauge the depth easily. For instance, markings every five feet or meters can give a clear visual indication of how deep the water is.Another important aspect of using a hand lead line is to be aware of the current and wind conditions. These factors can affect how the weight sinks and may lead to inaccurate readings if not taken into consideration. Therefore, it is advisable to drop the line in a calm area where the water is relatively still, allowing for a more precise measurement.In modern sailing, while electronic depth sounders and GPS systems have largely replaced the traditional hand lead line, many experienced sailors still advocate for its use. The hand lead line offers a sense of connection to the maritime tradition and can serve as a reliable backup in case of electronic failure. Moreover, learning to use a hand lead line enhances a sailor's skills and understanding of the sea, fostering a deeper appreciation for the art of navigation.In conclusion, the hand lead line is more than just a simple tool; it embodies the essence of seamanship and the rich history of maritime exploration. Whether you are a seasoned sailor or a novice, mastering the use of a hand lead line can significantly enhance your navigational abilities and ensure safer voyages. Embracing traditional methods alongside modern technology allows sailors to honor the past while navigating the present, making the hand lead line an invaluable asset on any journey across the waters.

在航海和海事活动的世界中，术语手持测深线在导航和安全中发挥着至关重要的作用。手持测深线是水手用来测量船只下方水深的简单而有效的工具。它由一根长绳或线组成，末端附有一个重物，重物被放入水中以测量水深。了解如何使用手持测深线对于防止搁浅和确保安全通过浅水区至关重要。手持测深线的使用可以追溯到几个世纪以前，早在现代技术为我们提供复杂的声纳设备之前。水手们会拿一个小铅块，通常呈球形或锥形，并将其连接到一根绳索上。通过将这个重物线抛入水中并测量沉入水中的长度，他们可以确定水的深度。这种做法不仅帮助他们安全导航，还使他们能够识别水下的危险，如岩石或沙洲。在使用手持测深线时，水手应遵循几个关键技巧。首先，确保重物足够重，以便快速沉入并提供准确的读数。此外，绳索应定期标记，以帮助水手轻松判断深度。例如，每五英尺或米的标记可以清晰地指示水的深度。使用手持测深线的另一个重要方面是要注意水流和风的条件。这些因素可能会影响重物的沉降，并可能导致不准确的读数，因此建议在水相对平静的区域投放测深线，从而获得更精确的测量。在现代航海中，尽管电子测深仪和GPS系统在很大程度上取代了传统的手持测深线，但许多经验丰富的水手仍然提倡其使用。手持测深线提供了一种与海洋传统的联系，并可以作为电子故障时的可靠备份。此外，学习使用手持测深线增强了水手的技能和对海洋的理解，培养了对导航艺术的更深层次的欣赏。总之，手持测深线不仅仅是一个简单的工具；它体现了航海技艺的本质和海洋探索的丰富历史。无论你是经验丰富的水手还是新手，掌握使用手持测深线可以显著提高你的导航能力，确保更安全的航行。在现代技术与传统方法的结合中，水手们可以尊重过去，同时航行于现在，使得手持测深线成为任何水上旅程中不可或缺的资产。