涵蓄

tǔ rǎng céng hán xù shuǐ fèn

土壤层涵蓄水分

soil layer culverts moisture

pō jī wù tǔ rǎng de yǒu xiào hán xù liàng

坡积物土壤的有效涵蓄量

effective storage capacity of soil on slope

hán xù zhe shēn yuǎn de yì yì

涵蓄着深远的意义

contain profound meaning