An amendent should decrease bulk density, increase toltal porosity , and incr ease water and air content.

改良剂能降低容重, 增加总孔隙度, 增加水和空气的含量.

辞典例句

An amendment should decrease bulk density, increase total porosity, and increase water and air content.

改良剂能降低堆积密度, 增加总孔隙度, 增加水和空气的含量.

辞典例句