一区白丝二区精选精品,欧美成人一区二区免费,91亚洲国产成人久久,亚洲精品乱码久久久蜜臀,日韩av大片免费在线观看,国产又黑又粗又黄又爽,日韩中文字幕美艳人妻,欧美丰满大屁股在线喷水,日韩欧美国产午夜视频,一级黄片国产精品久久

    <rt id="4xhpc"><small id="4xhpc"></small></rt>
        <li id="4xhpc"></li>
        1. <label id="4xhpc"></label>
          <li id="4xhpc"></li>

          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.


          精品人妻一区二区久久| 苍井空??码| 337P日本欧洲亚洲大胆张筱雨| 日本丰满熟妇一区二区| 蜜芽国产尤物AV尤物在线看| 成人人妻一区二区三区| 亚洲欧美国产免费一区| 婷婷一区二区三区在线| 亚洲妇女黄色高潮视频| 久久精品国产亚洲av黑人| 婷婷色香六月综合激情| 开心五月婷婷激情综合| 奇米777国产在线视频| 亚洲国产中文字幕精品| av在线播放观看国产| 警花av一区二区三区| 亚洲开心网| av天堂免费在线观看| 久久成人涩涩成人国产| 国产国产成年年人免费看片| 一二三区国产精品久久| 久热久| 少妇激情精品视频在线| 精品亚洲成在人线AV无码| 国产亚洲欧美日韩俺去了| 日韩亚洲国产中文字幕| 日本不卡一区二区高清中文| 国产成人自拍视频免费| 欧美在线一区二区三区| 青青青伊人色综合久久| 在线看片日本一区二区| 国产精品久久123区| 国产91丝袜在线精品| 好湿好紧好爽好大午夜视频| 精品无码久久久久久久久水蜜桃| 亚洲熟女av一区少妇| 白白视频在线免费观看| 日本高清视频在线一区| 国产美女久久久亚洲综合| 亚洲精品尤物在线观看| 国产av乳头久久一区|