常見例句雙語例句The utility model relates to a sub-header high-temp. hot-air furnace which is the improvement for the air heater of the existing high-temperature hot blast furnace.分聯(lián)箱式高溫?zé)犸L(fēng)爐是對(duì)現(xiàn)有高溫?zé)犸L(fēng)爐空氣加熱器部分的改進(jìn)。ip.com 返回 hot blast heater