The no-duct inductive ventilation system originate from the duct spray nozzle inductive ventilation and air conditioning system, which was advanced by Swedish ABB Company in 1974 and named as DIRVENT SYSTEM.是什么意思_The no-duct inductive ventilation system originate from the duct spray nozzle inductive ventilation and air conditioning system, which was advanced by Swedish ABB Company in 1974 and named as DIRVENT SYSTEM.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句