冷暖空调风管工程用诸机械；
本文简述空调风管系统设计的过程、技术要点及开发方法。
This paper briefly depicts the process, technical point and development method of air duct systems design.
如果您决定将您的暖通空调系统清洗，重要的是，空调风管清洗服务查询您有资格这样做，这样你就可以享受一个安全的室内空气。
If you decide to have your HVAC system cleaned, it is important that the air duct cleaning services you are inquiring is qualified to do so, so you can enjoy a safe indoor air.
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