18禁喷水流白浆自慰视噜噜噜,国产精品久久久久久久久鸭无码,一二三四日本高清社区5,在线观看无码AV免费不卡软件

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.


久久香综合精品久久伊人| 欧美黑人激情性久久| 无码人妻精品一区二区三区在线 | 久久无码av三级| 久久无码高潮喷水| 亚洲av无码成人精品区日韩| 久久香综合精品久久伊人| 正在播放东北夫妻内射| 情侣作爱视频网站| 中国老熟妇自拍hd发布| 亚洲成无码人在线观看| 免费看成人毛片无码视频| 亚洲午夜无码久久久久蜜臀av| 成全视频在线观看在线播放| 亚洲av无码国产精品色午友在线 | 国产 国语对白 露脸| 色多多在线观看免费视频| 午夜亚洲www湿好大| 天堂中文www官网天堂| 亚洲 一区二区 在线| 国产香蕉97碰碰久久人人| 国产午夜精品一区二区三区| 久久久久88色偷偷| 亚洲成色在线综合网站免费| 久久久久亚洲av无码专区首| 秋霞在线观看秋| 色噜噜狠狠成人中文综合| 最近中文字幕视频高清 | aⅴ精品无码无卡在线观看| 97久久精品人人做人人爽| 饥渴的熟妇张开腿呻吟视频| 东京热一精品无码av| 成人精品视频一区二区三区尤物| 亚洲线精品一区二区三区| 日本按摩高潮a级中文片| 亚洲熟女乱综合一区二区| 日本巨大的奶头在线观看| 国产无遮挡无码视频免费软件| 久久久久波多野结衣高潮| 国产欧美综合一区二区三区| 亚洲阿v天堂在线|