the quality of dynamic water level observation 观测质量
changing of water level of Yangtze river 长江水位变化
water level of water tower 水塔水位
appraisal of water quality of the underground wate 地下水质评价
acceptable quality level of process average AQL 过程平均上限值AQL
analyses of water level influence 柯萨奇B组病毒(CVB); 水位影响分析
annual variation of water level 多年动态
ANOMALY OF WATER LEVEL 水位异常
beginning water level of spring flood 起调水位
big changing of water level 大水位变化
Bottom level of water 底层水
Change of Water Level 水头变化
CHANGES OF WATER LEVEL 水位变化
coefficient of the depth and water level of soil l 土层埋深水位系数
coefficient of the depth and water level of soil layers 土层埋深水位系数
communication device of water level 水位遥报仪
control of water level 水位控制
controlling water level of groundwater reservoir 地下水库控制开采水位
correction of water level 水位修正; 水位改正