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Title
cross section of worm gear pump #157371258
Description
cross section of worm gear pump ; selective focus, metal, reducer, gearbox, gears, industry, machine, motor, engine, transmission, wheel, technology, equipment, steel, part, engineering, background, industrial, drive, iron, mechanical, manufacturing, mechanism, cog, speed, rotation, power, teeth, factory, machinery, mechanics, pinion, shaft, torque, design, detail, macro