亚洲午夜久久久久久噜噜噜,军人全身脱精光自慰,日本少妇又色又爽又高潮,东方aⅴ免费观看久久av

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.


色综合久久一区二区三区| 亚洲国产一区二区精品无码| 国产美女被遭强高潮免费一视频| 无码精品国产VA在线观看| 免费无遮挡无码视频在线观看| 男女午夜猛烈啪啦啦视频| 亚洲最大的成人网站| 国模无码视频一区| 久久亚洲日韩AV一区二区三区| 最近2019年好看中文字幕视频| 人人妻人人澡人人爽人人精品| 亚洲av无码国产精品久久不卡| 日韩夜夜高潮夜夜爽无码| 亚洲人成未满十八禁网站| 少妇人妻互换不带套| 亚洲精品第一国产综合精品| 人妻无码一区二区三区四区| 久久99国产乱子伦精品免费| 欧美一区二区三区久久综| 日韩精品视频一区二区三区| 亚洲 欧美 变态 另类 综合| 国产免费无码一区二区三区| 亚洲AV无码乱码在线观看性色扶| 国产乱码卡1卡二卡3卡4卡5| 久久亚洲中文字幕无码| 女人张开腿让男人桶爽的| 天堂а√中文最新版在线| 狠狠噜狠狠狠狠丁香五月| 无码欧精品亚洲日韩一区| 精产一二三产区区别在哪儿| 欧美黑人粗大猛烈18P| 国产精品久久久久av| 狠狠做五月爱婷婷综合麻豆AV| 五十六十日本老熟妇乱| 免费特级毛片| 日韩精品一卡2卡3卡4卡新区视频 亚洲一区无码精品色 | 日韩爆乳一区二区无码| 天天躁日日躁狠狠躁av麻豆 | 亚洲乱码中文字幕在线| 久久99久久99精品免观看| 中文无码制服丝袜人妻AV|