supply air duct meaning in Chinese
供气管道
送风管道
Examples
- Environmental cleanliness : anti - oxidation using double - sided aluminum foil , under routine conditions without oxidation corrosion , mildew , and ensured the supply air duct cleaning , sanitation
洁净环保：双面采用防氧化铝箔，常规条件下无氧化锈蚀、霉变，保证了风管送风的洁净、卫生。