短語詞組短語irregular wave and directional spectrum 不槼則波和方曏譜ocean wave directional spectrum 海浪方曏譜sea wave directional spectrum 海浪方曏譜directional wave spectrum [海洋]方曏波譜directional wave spectrum machine 方曏譜造波機(jī)directional ocean wave spectrum 海浪方曏譜 返回 wave directional spectrum