central heating boiler,heating boiler with vertical downstream burner,convertible heating是什麼意思、英文翻譯及
central heating boiler,heating boiler with vertical downstream burner,convertible heating
詞語: central heating boiler,heating boiler with vertical downstream burner,convertible heating
解釋: 中央供熱鍋爐,帶垂直順流燃燒器的供暖鍋爐,可逆加熱
詞典: 專利專業英漢詞典