To study the rule of formation and movement ofaeration zone water, it not only has important significance for groundwater forming, but also is the key for realizing water saving in agriculture.
研究包气带水的形成及运动规律不仅对阐明地下水的形成具有重要意义,而且是实现农业节水的关键。
2
Alif table line-bubble aerator not only offers an high oxygenation efficiency but also can be lifted out ofwater surface for replacement without disturbing the operation of the aeration tank.