“干舷”用英语怎么说？

干舷及吃水标志由钢板制成,并且涂漆.The freeboard and draft marks to be made of the steel plate and painted.适用于船舶干舷甲板以上的上层建筑及甲板室的矩形窗.Used for the rectangular window of superstructure above freeboard deck and deck house.作为 非 浸泡区域的防锈防腐保护层. ...

“干舷”的拼音为：gàn xián...