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.


无码人妻人妻经典| 韩国黄色三级一区二区| 91精品久久久老熟女91精品 | 麻豆三级视频网站在线观看| 无遮挡很爽很污很黄的女同| 久久久久久人妻一区精品| 18禁美女裸身无遮挡免费网站| 无码精品人妻一区二区三区av | 亚洲av色香蕉一区二区三区老师| 69久久夜色精品国产69| 丰满五十六十老熟女hd| 国产黑色丝袜在线观看下| 91热久久免费精品99| 久久99久久99精品免观看女同 | 一区二区亚洲精品国产精| 亚洲精品一区二区国产精华液| 久久精品国产亚洲av高清热| 精品少妇人妻av一区二区| 欧美国产日产一区二区| 亚洲av成人在线网站| 国产自拍成人在线免费视频| 国产人成精品免费久久久| 亚洲国产精品第一区二区| 久久99精品久久久久久野外| 国产高清一区在线观看| 蜜桃传媒网站在线观看| 丰满熟女高潮毛茸茸欧洲视频| 久久99精品国产99久久| 99精品国产成人一区二区在线 | 亚洲精品国产av成人精品| 少妇无码av无码专区| 国产高清精品自在线看| 无码精品人妻一区二区三区98| 婷婷开心五月综合基地| 狼狼色丁香久久女婷婷综合| 美女露出粉嫩小奶头在视频18禁| 成人欧美一区二区三区| 521色香蕉网站在线观看| 亚洲无码视频一区:| 免费在线国产不卡视频| 丰满少妇作爱视频免费观看|