unsaturated hydraulic conductivity

例句：

1. 1.The unsaturated hydraulic conductivity of the soil is crucial for agricultural irrigation.
   土壤的不饱和水力导率对于农业灌溉至关重要。
2. 2. The research on unsaturated hydraulic conductivity in porous media has made significant progress recently.
   关于多孔介质中不饱和水力导率的研究最近取得了显著进展。
3. 3.The unsaturated hydraulic conductivity model can accurately predict the water flow in the underground tunnels.
   不饱和水力导率模型可以准确地预测地下隧道中的水流。