亚洲激情在线观看-成人a√-日本人和亚洲人zjzjhd-欧美精品午夜-日本在线资源-av性天堂网-欧美一区二区三区在线看-四虎网址在线-成年网站在线播放-狂野欧美性猛交xxxx777-少妇做爰xxxⅹ性视频

400 086 1088

CN

Air Conditioning and Ventilation

Air Conditioning and Ventilation

O2, CO, CO2, NO, NH3           

The main function of the ventilation and air conditioning is to provide the oxygen required for the human breathing, to dilute the indoor pollutants or odors, to exclude the harmful toxic substances and other pollutants produced by the indoor process, to remove the indoor heat or residual humidity, and to provide the indoor air required, mainly in the factory, conference room, and other building rooms. Environment and so on.

In recent years, CO poisoning and ammonia explosion related to ventilation and air conditioning systems are frequently reported in newspapers. Many green building design standards stipulate that the underground garage with mechanical ventilation should be monitored and controlled in real time for the CO concentration, and the refrigeration machine room pays more attention to the monitoring of the leakage of ammonia gas. More attention is paid to personal health, and more oxygen and carbon dioxide concentrations in indoor air become more important.

ONUEE / ONWARDS(HK) Ltd. All rights reserved  ?2004-  備案號粵ICP備09176163號

主站蜘蛛池模板: 河西区| 即墨市| 佛山市| 延庆县| 翼城县| 炉霍县| 三河市| 临澧县| 平顶山市| 马尔康县| 贵州省| 威宁| 当阳市| 隆昌县| 万载县| 泰安市| 淮南市| 东海县| 南安市| 仙居县| 吐鲁番市| 正镶白旗| 泸西县| 韩城市| 开封县| 治县。| 文登市| 勐海县| 沛县| 宁强县| 南投县| 中西区| 澎湖县| 夏津县| 东兰县| 阿鲁科尔沁旗| 连州市| 张家口市| 寿宁县| 庆城县| 南皮县|