PWDDFL type multi-suction head drainage pump adopts single (double) drainage, single (double) blade structure, is a liquid spring pump valve under liquid drainage pump technology to be improved, for no blockage hydraulic design, no leakage, structure compact, covering a small area, operation smooth, small vibration, high reliability, easy installation, easy operation and can be controlled automatically. Kä ye kek ɣɔɔc në pump juëc ye kek ɣɔɔc në pump juëc ye kek ɣɔɔc në pump juëc ye kek ɣɔɔc në pump juëc ye kek ɣɔɔc në pump juëc ye kek ɣɔɔc në pump juëc.