freeboard deck[船] 干舷甲板;干舷船面
lumber freeboard载木干舷;运木船干舷;木材干舷
working freeboard工作干舷
freeboard mark[船] 干舷标志
freeboard ratio干舷比;干舷型深比
additional freeboard附加干舷
freeboard port舷墙排水口
freeboard computation干舷计算
superelevation freeboard超高
N（名词） the space or distance between the deck of a vessel and the waterline 干舷; 甲板与吃水线之间的空间或距离