人人妻人人狠人人爽,18禁黄网站男男禁片免费观看,99在线精品一区二区三区,亚洲乱码中文字幕在线

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.


无码欧美黑人xxx一区二区三区| 久久精品国产99久久无毒不卡| 久久综合狠狠综合久久综| 人妻巨大乳hd免费看| 中文在线√天堂| 成人性生交片无码免费看| 国模大胆一区二区三区| 国产色精品久久人妻| 2019久久久高清456| 丁香花在线影院观看在线播放| 国产成久久免费精品av片| 午夜电影网va内射| 99久久夜色精品国产网站 | 久久夜色精品国产噜噜亚洲sv| 人妻教师痴汉电车波多野结衣| 国产桃色无码视频在线观看| 99国产揄拍国产精品人妻| 亚洲色大成网站www永久在线观看| 国产婷婷综合在线视频| 99爱在线精品视频免费观看| 97视频在线观看播放| 日本特黄特黄刺激大片| 日韩精品少妇无码受不了| 日韩av无码中文一区二区三区| 久激情内射婷内射蜜桃| 亚洲色爱图小说专区| 6699嫩草久久久精品影院| 波多野结衣av高清一区二区三区 | 精品久久久久久久久中文字幕| 天天躁日日躁狠狠躁性色avq| 50岁退休熟女露脸高潮| 99久久超碰中文字幕伊人| 精品国产男人的天堂久久| 欧美成 人影片 aⅴ免费观看| 成年av动漫网站久久| 偷偷要色偷偷中文无码| 一本一本久久a久久精品综合不卡| 狠狠色丁香婷婷第六色孕妇| 国产精品熟女视频一区二区| 久9视频这里只有精品8| 亚洲aⅴ无码国精品中文字慕|