... .3pole1,Integrates the functions of submersible pump, ordinary self-priming pump on land and anti-corrosion pump in one, overcomes the technical ... in water and on the land. This pump can be used as a submersible pump in water, also can be used as ... no noise, quiet environment.1,Integrates the functions of submersible pump, ordinary self-priming pump on land and anti-corrosion pump in one, overcomes ...