青云翻译

Room air-conditioning duct way - to send back used under the strict distinction between hot and cold channel and returned to the air flow direction the organization has some

Computer room air conditioning wind pipe--reverse last time, a sharp distinction between hot and cold channel, return airflow organization a certain degree of directivity

Air hose of way under the engine room air conditioning - - uses delivers, differentiates the cold hot channel strictly, the back wind air current organization has certain directivity

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Computer room air conditioning wind pipe--reverse last time, a sharp distinction between hot and cold channel, return airflow organization a certain degree of directivity