[机] jacket type water-cooled cupola
tào xiāng shì shuǐ lěng róng tiě lú ㄊㄠˋ ㄒㄧㄤ ㄕˋ ㄕㄨㄟˇ ㄌㄥˇ ㄖㄨㄥˊ ㄊㄧㄝˇ ㄌㄨˊ