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为什么下雨天山上会冒烟
更新时间: 2020-10-09 00:00:00  

山上植物在进行光合作用的同时,树液流动旺盛产生的蒸腾现象。冒出的烟雾其实是水蒸气,蒸腾作用是植物被动吸水的动力,特别是高大的植物,仅靠根压是无法维持水分代谢的平衡,必须有蒸腾所形成的强大虹吸的力才能使水分大量吸收和迅速上升。

关键词: 为什么 下雨 天山 上会 冒烟

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