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產(chǎn)品詳情 產(chǎn)品描述: 電動密閉閥主要用于要求泄漏小的中央空調(diào)機組系統(tǒng)中心、送風閥、回風閥、混風閥和新風閥。 Product description: Mainly used in the central air-conditioning unit system requiring small leakage, such as air supply valve, return air valve, air mixing valve and fresh air valve. |