waterline length

例句：

1. 1.The ship's waterline length is measured from the water's surface to the lowest point of the ship's keel.
   船的水线长度是从水面到船底最低点的距离。
2. 2.The length of the waterline is crucial for determining the ship's stability and maneuverability.
   水线的长度对于确定船只的稳定性和操纵性至关重要。
3. 3. During a storm, the waterline length can be reduced by up to 50% dueto increased wave heights.
   暴风雨期间，由于波浪高度的增加，水线长度可以降低多达50%。