CAD drawings of sewage lifter double pumps of sewage discharge device, including: general drawing, base, cutting drawing, rib plate, etc. Specification: 800X600X580mm; Sewage lifter is a kind of drainage equipment, which is used in basements, ships, vehicles and other places far away from the drainage riser and poor drainage conditions, and can collect and treat the domestic water in toilets. It is usually a set of overall system, which can