两人做人爱费视频免费完整版

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    3. 中文 | ENGLISH

      Question&Answer

      7. What kind of solution is recommen

      時間:2018-03-30 13:24:15 作者:admin 點擊次數:

      The solution should be customized for automatic scrubber, basically it should be alkaline and with a small quantity of foam (too much foam will damage water pump), never use acidic or caustic solution, and flammable is forbidden absolutely, and remember adjust the solution concentration accordingly. For the very dusty floor, we suggest clean it with normal water in advance, cleaning time will be longer but effect will be better, and it need clean twice: 1st time turn off the water pump and just cleaning the floor, 2nd time clean with solution and open the water pump, you will find the effect is very good.
      两人做人爱费视频免费完整版

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