99久久久国产精品免费蜜臀,中文亚洲欧美日韩无线码,文中字幕一区二区三区视频播放 ,国产精品丝袜久久久久久不卡

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.


三级做a全过程在线观看| 亚洲视频在线观看| 白嫩少妇激情无码| 色欲aⅴ亚洲情无码av蜜桃| 精品9e精品视频在线观看| 国产对白国语对白| 亚洲第一av网站| 国产人与zoxxxx另类| 国产欧美日韩在线在线播放| 久久综合狠狠综合久久综合88| 国产乱子伦视频在线观看| 久久久精品波多野结衣| 日本高清在线一区二区三区| 亚洲aⅴ天堂av天堂无码麻豆| 女人张开腿让男人桶爽| 18禁黄无遮挡网站| 精品久久久久久无码专区不卡| 亚洲综合区图片小说区| 日本japanese丰满多毛| 欧美天天综合色影久久精品| av在线亚洲欧洲日产一区二区| 欧美操逼视频| 精品少妇人妻av一区二区| 挺进朋友人妻雪白的身体韩国电影 | 亚洲av乱码一区二区三区| 理论片87福利理论电影| 激情综合色五月丁香六月亚洲| 本道天堂成在人线av无码免费| 国产高潮国产高潮久久久| 最新亚洲人成无码网www电影 | 精品无码国产自产拍在线观看| 中国妇女做爰视频| 人人妻人人做人人爽夜欢视频| 深夜爽爽动态图无遮无挡| 无码人妻精品一区二区蜜桃网站| 四虎影在永久在线观看| 国产女主播喷水视频在线观看 | 国产午夜福利精品一区二区三区 | 老湿机香蕉久久久久久| 免费 黄 色 人成 视频 在 线 | 亚洲av成人片色在线观看|