LLWL (low-low water level)  低低水位

low flow water level  枯水位

low water flow  枯水量

low-low water level switch  低-低水位开关

mean low low water  平均特低水位; 平均较低低潮位

analysis of low flow frequency  频率分析

awash at low water  低潮时适淹

below low water  低潮水位以下

cementitious materials with low water demand  低需水量胶凝材料

characteristics of low water  枯水特征

cofferdam in low water season  枯期围堰

dead low water  最低低潮面

design high and low water level  设计水位

design low water  还原计算; 设计枯水

Dissipator with low water head  低水头消能工

double low water  双低潮

downstream low water cofferdam  下游低水围堰

extreme low water  最低低潮位; 最低低潮

extremely low flow  极端枯水