freeboard是什么意思

freeboard的音标：freeboard的英式发音音标为：['fri:ˌbɔ:d]freeboard的美式发音音标为：['friˌboʊrd]...

The entrainment rate should closely decrease exponentially with freeboard height.夹带率应几乎随自由空域高度成指数递减.The freeboard and draft marks to be made of the steel plate and painted.干舷及吃水标志由钢板制成,并且涂漆.Used for the rectangular windo...