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.


国内精品亚洲成av人片| 人妻少妇偷人精品无码 | 亚洲精品一区二区在线免费观看| av免费在线国语对白| 少妇人妻无奈的跪趴翘起| 一道之本加勒比热东京| 中文字幕一区久久精品| 可免费观看的av毛片中日美韩| 亚洲av午夜一区二区三| 一边摸一边做爽的视频17国产| 无套熟女av呻吟在线观看| 帅小伙自慰videogay男男| 欧美国产综合欧美视频| 亚洲av综合a色av中文| 亚洲国色天香卡2卡3卡4| 亚洲熟女乱色综合亚洲图片| 久久人人玩人妻潮喷内射人人| 男女18禁啪啪无遮挡| 久久尤物av天堂日日综合| 日本经典中文字幕人妻| 中文字幕精品乱码一二三区| 亚洲精品综合久久国产二区| 水蜜桃网站视频在线观看| 亚洲av成人一区二区| 少妇无码一区二区三区免费 | 九色综合九色综合色鬼| 无码成人一区二区| 人妻精品动漫h无码网站| 韩国精品一区二区三区无码视频| 国产精品久久久av久久久| 日本一区二区三区在线| 亚洲色图第一页在线观看视频| 一二三四在线观看韩国视频| 一本色道久久88加勒比综合 | 日本免费久久高清视频| 日本最新一区二区三区在线视频| 久久久国产精品无码免费专区| 亚洲va韩国va欧美va| 亚洲中文字幕久久无码精品| 日本免费一区二区三区| 亚洲中文字幕无码爆乳av|