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.

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。

youdao

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.

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。

youdao