短語詞組短語circular blast -main 環(huán)式鼓風機;翻譯;環(huán)式鼓風管cooled blast main duct 冷風總管cold -blast main 冷風總管cold blast main 冷風主管;冷風總管hot blast main duct 熱風總管Hot Blast Main 熱風總管;熱風主管hot -blast main 熱風主道;熱風總管cold blast main duct 冷風總管blast furnace gas main 高爐煤氣總管 返回 blast main