?中央板
（5）中央板 ( Daggerboard )，在船体下方，可调整吃水深度。不仅起着保持 船身平衡的作用，还可以帮助船在航行中保持航向稳定。
?稳向板
... mast 桅杆 daggerboard （帆板）稳向板 centerboard case 稳向板箱 ...
?活动披水板
... dag大山 daggerboard活动披水板 daggerknee十字肘材 ...
Race for Water has been sailing without the daggerboard, making speeds of around 4-5 knots less than their rivals.
UNESCO: Race for Water victim of ocean pollution
The daggerboard is a type of keel beneath the boat that allows the boat to sail at an angle into the wind.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。