求翻译：漏斗底上平放一张比漏斗内径略小的圆形滤纸，使底上细孔被全部盖住。事先用蒸馏水润湿，特别要注意滤纸边缘与底部紧贴。是什么意思？

On the flat end of a funnel funnel diameter slightly smaller than the round filter paper, so that at the end of the pore is fully covered. Pre-wetted with distilled water, with particular attention to the bottom close to the edge of the filter paper.

Funnel end, placed a picture slightly smaller than the inside diameter of the funnel shaped perspirometer bottom, so that the fine pores are all sleeping. Prior use distilled water edge perspirometer wetting, with special attention to keep abreast with the bottom.

The funnel bottom first tone puts one compared to the funnel inside diameter slightly small circular filter paper, causes on the bottom the pore to cover completely.Uses the distilled water to be moist beforehand, must pay attention to the filter paper edge and the base adpressed specially.

End of the funnel placed on a circular filter paper, slightly smaller than the internal diameter of the funnel, the pores are all covered on the end of. Prior to use distilled water wetting, paying particular attention to bottom close to the edge of the filter paper.

End of the funnel placed on a circular filter paper, slightly smaller than the internal diameter of the funnel, the pores are all covered on the end of. Prior to use distilled water wetting, paying particular attention to bottom close to the edge of the filter paper.