单词root pressure
un.: 根压
根压
But root pressure is not nearly great enough to push water to the tops of tall trees.
但根压完全不足以将水推到树顶。
The positive xylem pressure, often occurs with low transpiration rate, is termed as root pressure.
在植物弱蒸腾情况下，木质部的水分处于正压状态，这种压力叫根压。
The nature of root pressure
根压的本质