·2,447,543篇论文数据，部分数据来源于NoteExpress
N the part of a ship's hull that is between the load line and the water line when the ship is not loaded 水线部; 船身在载重线和空载线之间的部分 [nautical]
Boot Topping is the black paint used at the waterline of many warships.
水线带是许多军舰水线使用的黑色涂料。
youdao
应用推荐
模块上移
模块下移
不移动