water-level governor水位调整器
ordinary water-level正常水位
water-level scale水位标尺;水位刻度标尺
water-level float水位指示浮子;水位浮子
Concordant water-level对应水位
water-level recovery水位恢复
mean water-level平均水位
control water-level水位控制
water-saving level节水水平
N(名词) the level reached by the surface of a body of water 水位