gas porosity

例句：

1. 1. The gas porosity of the soil greatly affects its ability to retain moisture.
   土壤的气体孔隙率极大地影响其保持水分的能力。
2. 2.The engineer studied the gas porosity of the rock samples to determine their strength.
   工程师研究了岩石样本的气体孔隙率，以确定它们的强度。
3. 3.The gas porosity of the soil is an important factor in determining its suitability for agricultural purposes.
   土壤的气体孔隙率是决定其是否适合农业用途的一个重要因素。