国产精品99久久久久久宅男九-一级特黄大片欧美久久久蜜臀-自拍偷拍 欧美 一区二区-久久综合婷婷国产二区高清

DT140曝氣器---DT140 Aerator;
獨有內外兩道格柵過濾水中懸浮物,是真正不會堵塞的曝氣器;
Unique internal and external two grille filter water suspended matter, is really not clogged aerator.
服務面積大6-15m2,阻力(610Pa)小于微孔曝氣,氧氣轉移率大于21%;
The service area is 6-15m², the resistance (610Pa) is less than the Microporous aeration, and the oxygen transfer rate is more than 21%.
無金屬設計,整體全部是工程塑料,耐酸堿腐蝕、耐高氯廢水腐蝕;
No metal design, the whole is all engineering plastics, acid and alkali corrosion resistance, high chlorine wastewater corrosion resistance.
氣泡自由態(tài)上浮,對活性污泥沒有沖擊;
The bubbles float freely and have no impact on the activated sludge.

青島大田環(huán)境科技有限公司
Qingdao Datian Environmental Technology Co., Ltd