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.


          又粗又硬又大又爽免费视频播放| 精品蜜桃av一区二区三区| 国产亚洲欧美另类精品久久久| 日本岛国免费一区二区| 亚洲AV无码日韩精品影片| 免费乱理伦片在线观看夜| 中文字幕被侵犯的人妻| 中文字幕人妻一区人妻| 日本免费熟女一区二区| 精品人妻少妇一区二区中文字幕 | 亚洲av香蕉一区二区| 亚洲人成伊人成综合网中文| 久久一区二区三区超碰国产精品| 亚洲欧美国产国产综合一区| 97国产精品三级视频播放| 亚洲一区欧美二区国产| 国产三级黄色日皮视频| 少妇又色又爽又高潮欧美| 亚洲av香蕉色一区二区三区| 小小水蜜桃8在线观看| 亚洲伊人免费综合网站| 久久精品国产亚洲一区二区| 国产成人精品午夜福利不卡| 亚洲精品一区二区区别| 自拍偷区二区三区麻豆| 一区二区日韩激情在线观看视频| 亚洲欧美中文丝袜综合| 国产精品毛片内在线看| 久久一区二区三区不卡av| 国产精品一级av一区二区| 国产三级在线观看免费| 色自拍去偷拍亚洲免费| 国产白浆精品一区二区三区| 精品亚洲一区二区三区四区五| 久久精品国产亚洲av大全相关 | 亚洲三区二区一区视频| 免费人妻精品一区二区三区 | 国产91对在线播放白丝| 成人免费视频自偷自拍| 亚洲无吗视频天天更新| 女生高潮喷水视频在线|