hat
Air kapab jwenn liberasyon nan tiyo a lè se dlo a ki te ranpli avèk dlo, epi yo ka evakye oswa ou pral negatif presyon nan tiyo a, tankou kondisyon sa yo separasyon kolòn dlo ap otomatikman louvri, nan tiyo a elimine presyon negatif.
eng
Air can be discharged in the pipeline when the water is filled with water, and can be evacuated or negative pressure in the pipeline, such as the water column separation conditions will be automatically opened, into the pipeline to eliminate negative pressure.