“underground irrigation”可以造什么句，underground irrigation造句

an expert on farmland irrigation says that underground irrigation is the best way to water crops. It puts water where it is most needed at the roots.

There are other reasons why the underground irrigation system is better for tomatoes. Underground system leaves the surface soil dry.

Another interesting thing to see at Turpan is the underground irrigation system known as karez or kan'er'jing in Chinese.