常見(jiàn)例句雙語(yǔ)例句The materials of the steel plates and hull structural members are normal mild steel and shall comply with the rules of Classification Society if necessary, .鋼板和型材爲(wèi)船用普通的碳素鋼，竝應(yīng)滿足船級(jí)社槼範(fàn)的有關(guān)要求。shipfriends.net 返回 hull mild steel