短语词组短語heavy -sea-proof type 防海浪式sailing at heavy sea 大風浪航行heavy metal ion sea 狂風大浪turning in heavy sea 大風浪中掉頭轉曏sea water heavy metal index 海水重金屬指標surface -supplied deep-sea heavy gear 水麪供氣式重潛水裝具 返回 heavy sea