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... 4) Adopt the rare earth permanent magnet, which is multipole, mean gap, high power density and high output power. 5) Low speed direct driving, no torque fluctuations 6) Compact structure, high ratio of powe...
... 4) Adopt the rare earth permanent magnet, which is multipole, mean gap, high power density and high output power. 5) Low speed direct driving, no torque fluctuations 6) Compact structure, high ratio of powe...
...,kinds of hole in concrete structure,river levees,subgrade grounting hole drilling and direct grouting,civil wells and earth temperature central air-conditioner etc The picture of Mobile Drilling Rig What's ...