北京地表水样
sample of surface water in Beijing
闭式地表水换热器
closed-loop surface water heat exchanger
波浪水表
wind-ruffled water surface
不透水表面率
Percentage of impervious area
超声水表
ultrasonic wave water meter
ultrasonic water meter
超疏水表面
ultra water-repellent surface
Superhydrohobic surface
Super-hydrophobic Surfaces
superhydrophobic surfaces
Super-hydrophobic
Super-hydrophobic surface
superhydrophobic surface
Superhydrophobic
氮污染地表水
N-contaminated surface water