mechanical ventilation〔名词〕机械通风,强制通风详细»
mechanical ventilation〔名词〕机械通风详细»
mechanical ventilation〔名词〕机械通风详细»
mechanical ventilation〔名词〕机械通风,强制通风详细»
机械通风mechanical draft;mechanical draught;mechanical ventilation详细»
机械通风mechanical draft;mechanical ventilation详细»
机械通风mechanical draft;mechanical ventilation详细»