A turbine blade with interior cooling as applied in the high-pressure wind turbine. It is additionally utilized to pierce openings in industrial gas wind turbine blades, in molds and also passes away, and also in bearings. An annular cutter is
A turbine blade with interior cooling as applied in the high-pressure wind turbine. It is additionally utilized to pierce openings in industrial gas wind turbine blades, in molds and also passes away, and also in bearings. An annular cutter is