In the year 2007, Central Fresh Air System, branded Venson entered China formally.

2007年，闻森品牌中央新风系统正式入驻中国。

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In this paper, it is to research a remote control system based on network used for solar energy fresh air system.

本文从太阳能新风空调控制系统出发，研究一种基于网络的远程控制系统。

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Calculates the energy consumption and economic index of the full fresh air system and partial circulation air conditioning system.

计算了全新风系统和部分循环风系统的能耗和经济指标。

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The main goal of the respiratory system is to bring fresh in so that you can extract oxygen from it, and blow used air out so that you can rid of carbon dioxide which is the end product of carbon metabolism inside our bodies.

呼吸系统的主要功能是,吸入新鲜空气,以便获得空气中的氧气,呼出废气,以便排出二氧化碳,二氧化碳是人体内碳代谢的终产物

耶鲁公开课 - 生物医学工程探索课程节选

There is Space Air's environmental control system that keeps household air fresh and at the right temperature.

BBC: Home of the future mock-up

Complementing the pressurization system is a 100% fresh air circulation capability.

FORBES: Flying in Rarified Air: Gulfstream's Amazing G650

Ventilation can involve either 100 percent fresh air in which outside air enters and leaves the cabin in a single pass or a system in which various fractions of air are recirculated from the aircraft cabin and mixed with fresh air.

CNN: Commentary: Flu and your health on a plane