短語詞組短語irregular wave and directional spectrum 不規(guī)則波和方向譜ocean wave directional spectrum 海浪方向譜sea wave directional spectrum 海浪方向譜directional wave spectrum [海洋]方向波譜directional wave spectrum machine 方向譜造波機(jī)directional ocean wave spectrum 海浪方向譜 返回 wave directional spectrum