The KQDL series cupola was trial produced aiming at the problems existing in the cupola,cold blast cupola,hot blast cupola,water cooling cupola.是什么意思_The KQDL series cupola was trial produced aiming at the problems existing in the cupola,cold blast cupola,hot blast cupola,water cooling cupola.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句