中文字幕色资源在线视频,青青草手机在线免费视频,国内揄拍国内精品久久,av网址在线一区二区,人妻体体内射精一区中文字幕,国产自拍成人在线免费视频,91久久精品一区二区,亚洲中文字幕一区精品,91人妻一区二区三区蜜臀,日韩人妻美乳中文字幕在线

Ozone sterilizer air aerator air bactericide formaldehyde removal

Cooking utensils > Ozone sterilizer > Ozone sterilizer air aerator air bactericide formaldehyde removal

Ozone sterilizer air aerator air bactericide formaldehyde removal

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.


色狠狠av老熟女| 美女偷拍一区二区三区| 日本高清不在线一区二区色| 国产目拍亚洲精品一区二区| 人妻少妇一区二区三区| 日本激情视频一区在线观看| 久久人妻少妇中文字幕| 久久99精品免费国产| 国产熟妇一区二区三区网站| 日韩黄色大片免费网站| 精品一区二区三区国产av| 亚洲女同系列在线观看| 亚州中文热码在线视频| 亚洲一二三四区免费视频| 国产一区二区视频在线免费观看| 亚洲精品尤物av在线网站| 国产精品丝袜一区二区三区在线| 国产一区不卡视频在线| 亚洲色图偷拍自拍亚洲色图| 国产精品一品二区三区| 国产午夜精品视频观看| 国产一区二区av免费观看| 免费国产在线精品一区二区三区免| 国产精品熟女少妇不卡| 亚洲最新精品一区二区| 日韩av在线播放人妻| 无码熟妇人妻av在线网站| 国产一区二区三区三区四区精品| 国产激情久久久久影院小草| 日本丰满少妇裸体自慰| 三a级做爰片免费观看| 真人做爰片免费观看播放| 日韩人妻无码一区二区三区| 爱情岛论坛亚洲品质自拍hd| 日日噜狠狠噜天天噜av| 五十路熟妇高熟无码视频 | 亚洲va无码va在线va天堂| 午夜精品久久久久久久99热| 免费a级毛片无码免费视频120软件| 亚洲日韩国产一区二区三区在线| 婷婷久久久亚洲欧洲日产国码av|