贮水量

Install a flush toilet with small pondage.

安装一个贮水量小抽水马桶。

This research discovered that soil pondage of level terrace were less than fallow sloping filed because of crops’ absorbing and using, and evaporation.

发现由于作物对梯田土壤水收利用，以及蒸发散原因，导水平梯田土壤贮水量比休小。