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.


无码AV免费一区二区三区| 亚洲AV成人无码一区在线观看 | 国产精品视频色尤物yw| 久久精品成人一区二区三区| 国产成人精品一区二区三区免费| 日韩精品无码av中文无码版| 精品久久久久久无码国产| 推油少妇久久99久久99久久| 国产在视频线精品视频 | 一道本AV免费不卡播放| 国产尺码和欧洲尺码表| 色婷婷在线精品国自产拍| 中文字幕v亚洲日本| 亚洲AV中文无码乱人伦在线咪咕| 1区2区3区产品乱码免费| 成人免费一区二区三区视频软件| 国产精品亚韩精品无码a在线| 伊人久久精品一区二区三区| 一二三四日本中文在线| xxxx内射中国老妇| 国产亚av手机在线观看 | AV人摸人人人澡人人超碰妓女| 成人午夜性A级毛片免费| 中文字幕日韩人妻不卡一区| 国产偷久久久精品专区| 精品人妻少妇一区二区三区不卡 | 国产无人区码卡二卡三卡| 黑人狂桶女人高潮嗷嗷叫小说| 亚洲成A人片在线观看的电影| 无人区码一码二码三码区别新月| 国产成人亚洲精品无码车A| 亚洲一本大道无码av天堂| 亚洲精品第一国产综合精品| 久久精品岛国av一区二区无码| 中文字幕aⅴ人妻一区二区| 18岁日韩内射颜射午夜久久成人| 中日产幕无线码一区| 日本高清视频WWW夜色资源| 欧美日韩久久久精品a片| 舌头伸进去搅动好爽视频| 在厨房拨开内裤进入毛片|