国产xxxx做受视频,久久人妻内射无码一区三区,国产人妖乱国产精品人妖,亚洲综合区图片小说区

New development of ozone disinfector in Shandong Yanxin Environmental Protection Technology Co., Ltd

Column:Company news Time:2020-03-11
The ozone disinfector independently developed by Shandong Yanxin Environmental Protection Technology Co., Ltd. is suitable for air disinfection, air oxygenation, new house formaldehyde elimination, etc.

The ozone disinfector independently developed by Shandong Yanxin Environmental Protection Technology Co., Ltd. is suitable for air disinfection, air oxygenation, new house formaldehyde elimination, etc.

Instructions for use of ozone sterilizer

 

100 cubic meters

200 cubic meters

300 cubic meters

400 cubic meters

Open for 5 minutes

Open for 8 minutes

Open for 10 minutes

Open for 20 minutes

 

When the ozone sterilizer is working, it is necessary to evacuate the confined personnel in the space. After the ozone sterilizer is finished, it is necessary to wait for 30 minutes before the personnel can enter the window for ventilation. In case of continuous use, the interval shall be 5 hours. After use, use a brush to clean the dust at the inlet and outlet (in the off state) to prevent dust from entering the machine interior and affecting its service life.


秋霞无码一区二区| 亚洲电影区图片区小说区| 末成年娇小性色xxxxx| 欧美日韩一区二区三区视频播放| 香港三日本三级少妇三级2021| 亚洲色欲色欲综合网站| 色翁荡息肉欲500篇| 久久免费午夜福利院| 两个人免费完整在线观看中国| 免费视频看片app| 欧美人与动牲交欧美精品| 中国浓毛少妇毛茸茸| 欧美熟妇vivoe精品| 免费国免费国产在线538视频| 巨胸喷奶水视频www免费网站| 2021年国产精品久久久久精品| 最新国产精品无码| 性男女做视频观看网站| 啊轻点灬大ji巴太粗太长在线了| 香蕉97超级碰碰碰视频| 久久9蜜桃精品一区二区免费不卡| 久久777国产线看观看精品| 公交车上拨开丁字裤进入电影| 美女裸体黄网站18禁止免费下载| 成熟交BGMBGMBGM日本| 各种少妇wbb撒尿| 色悠久久久久久久综合网| 经典老熟女ass| 老司机久久一区二区三区| 欧美18ⅩXXXX性欧美喷水| 日韩好精品视频你懂的| 免费人成在线观看播放a| 亚洲成a人片在线观看无码专区| 少妇高潮喷水下面的毛| av无码专区| 任你躁国语自产一区在| 国产精品区av| 午夜福利波多野结衣人妻| gogogo日本免费观看视频| 国产极品美女高潮抽搐免费网站| 欧美《熟妇的荡欲》在线观看|