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为什么植wu会chu汗

本站新(短)域名:xiguashuwu.com

为什么植wu会“chu汗”?

植wu在生长的过程中,要从土壤中xi收大量的水分,到了晚上,气温降低,植wuti内的水分蒸发得很少,这时候就会把ti内多余的水分,通过叶子上的细小水孔排chu来,于是在叶子上结成了小水珠。随着“汗水”,植wu还可以把多余的矿wu质排xie掉,有利于自shen的生长。

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