The group will change the depth of the sand column, add rusty nails to several pails (in an effort to increase virus removal), and alter other parameters.
研究小组还将使用改变沙柱深度,在几个桶里添加生锈的钉子(增加病毒移除的效果),和改变其他参数等方式加以实验。
The group will change the depth of the sand column, add rusty nails to several pails (in an effort to increase virus removal), and alter other parameters.
研究小组还将使用改变沙柱深度,在几个桶里添加生锈的钉子(增加病毒移除的效果),和改变其他参数等方式加以实验。
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