clearance under keel

简明释义

富裕水深

英英释义

例句

1.Before we dock, we need to measure the clearance under keel to prevent any damage.

在我们靠岸之前，需要测量一下吃水深度以防止任何损坏。

2.The captain checked the clearance under keel before entering the shallow harbor.

船长在进入浅水港口之前检查了吃水深度。

3.To avoid grounding, we must ensure there is sufficient clearance under keel at low tide.

为了避免搁浅，我们必须确保在低潮时有足够的吃水深度。

4.During the inspection, the marine officer noted the clearance under keel was less than expected.

在检查过程中，海事官员注意到吃水深度低于预期。

5.The navigation charts indicated a minimum clearance under keel of 2 meters in this area.

航行图标明该地区的最低吃水深度为2米。

作文

Understanding the term clearance under keel is essential for anyone involved in maritime operations or ship navigation. The phrase refers to the vertical distance between the lowest point of a ship's keel and the seabed or riverbed beneath it. This measurement is crucial for ensuring that a vessel can safely navigate through various water depths without running aground. A proper clearance under keel ensures that a ship has enough water beneath it to avoid any potential damage to the hull, which could result from contact with the bottom. In maritime navigation, the clearance under keel is particularly important during low tide when water levels drop significantly. Ship captains and navigators must constantly monitor this clearance to determine if the vessel can safely pass through shallow areas. If the clearance under keel is insufficient, the risk of grounding increases, which can lead to costly repairs and delays. Moreover, different types of vessels have varying drafts, which is the vertical distance between the waterline and the bottom of the hull (keel). For example, cargo ships, which often carry heavy loads, tend to have deeper drafts compared to smaller recreational boats. Therefore, understanding the clearance under keel is vital for each type of vessel, as it impacts their ability to traverse specific waterways. When planning a voyage, mariners must consider the clearance under keel in relation to charts that indicate the depth of the waterway. These charts provide essential information about the seabed and any underwater obstacles that may pose a hazard. By taking these factors into account, navigators can make informed decisions about their routes and ensure safe passage. In addition to navigation, the clearance under keel is also significant during docking and undocking maneuvers. When a ship approaches a port, it must have adequate clearance to safely maneuver into the berth. Insufficient clearance can lead to collisions with the dock or other vessels, causing damage and endangering crew and cargo. Furthermore, environmental factors such as wind, waves, and currents can affect the clearance under keel. For instance, strong winds can cause a ship to list, altering its draft and potentially reducing clearance. Therefore, mariners must always remain vigilant and prepared to adjust their navigation based on changing conditions. In conclusion, the concept of clearance under keel is an integral part of maritime navigation and safety. It requires a thorough understanding of a vessel's draft, the waterway's depth, and environmental conditions. By ensuring that there is sufficient clearance, sailors can protect their ships from grounding and ensure smooth operations. Mastering this term and its implications can greatly enhance a sailor's ability to navigate safely and efficiently in various maritime environments.

理解术语clearance under keel对于任何参与海洋操作或船舶导航的人来说都是至关重要的。这个短语指的是船体龙骨最低点与其下方海床或河床之间的垂直距离。这个测量对于确保船只能够安全地在不同水深中航行而不搁浅至关重要。适当的clearance under keel确保船只底部有足够的水，以避免与底部接触可能造成的船体损坏，这可能导致昂贵的修理费用和延误。在海洋导航中，clearance under keel在低潮期间尤为重要，因为水位会显著下降。船长和导航员必须不断监测这个间隙，以确定船只是否可以安全通过浅水区。如果clearance under keel不足，搁浅的风险就会增加，这可能导致昂贵的维修和延误。此外，不同类型的船只具有不同的吃水深度，即水线与船体底部（龙骨）之间的垂直距离。例如，载重船通常比较小的休闲船吃水更深。因此，理解clearance under keel对每种类型的船只都至关重要，因为它影响着它们穿越特定水道的能力。在计划航程时，海员必须考虑clearance under keel与显示水道深度的图表之间的关系。这些图表提供有关海床和可能构成危险的水下障碍的重要信息。通过考虑这些因素，导航员可以做出明智的路线决策，确保安全通行。除了导航，clearance under keel在靠泊和离泊操作中也很重要。当船只靠近港口时，必须有足够的间隙以安全地驶入泊位。不足的间隙可能导致与码头或其他船只碰撞，从而造成损坏并危及船员和货物。此外，风、波浪和水流等环境因素也会影响clearance under keel。例如，强风可能导致船只倾斜，从而改变其吃水并可能减少间隙。因此，海员必须始终保持警惕，并准备根据变化的条件调整航行。总之，clearance under keel的概念是海洋导航和安全的重要组成部分。它需要对船只的吃水、水道的深度和环境条件有透彻的理解。通过确保有足够的间隙，水手可以保护他们的船只免受搁浅，并确保顺利的操作。掌握这个术语及其含义可以大大增强水手在各种海洋环境中安全高效导航的能力。