转子叶轮由铸铁支架、石墨套管，上部主轴、下部主轴、石墨叶轮和皮带轮构成。
Each rotor impeller is composed of a cast iron frame, a graphite casing, an upper main shaft, a lower main shaft, the graphite impeller and the belt wheel.
泵的黄铜叶轮由铸铁扩散器、支架和外壳包围，使泵非常坚固耐用！
A brass impeller surrounded by a cast iron diffuser, bracket, and case makes this pump as strong as those used by your grandfather!
本公司专业生产工程机械、汽车、发动机及排污管等铸件。产品展示：夹钳、行星轮架、差速器壳、支架、轴承盖、铸铁管等产品。
This company produces engineering machinery, automobile, engine, cast iron pipe and so on casting. Produc demonstration: clamp, planet Rack, Support, bearing cap, cast iron pipe, Products and so on.
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