{HEAD ~ A pressurized fluidized bed combustion combined cycle power plant} has {TAIL ~ a gas turbine unit} of single spindle type in which a turbine, driven by combustion gas from burning of coal in a pressurized fluidized bed combustion boiler, drives an electrical generator at constant speed and drives a compressor supplying compressed combustion air to the boiler 
has
{ HEAD ~ A pressurized fluidized bed combustion combined cycle power plant } has { TAIL ~ a gas turbine unit } of single spindle type in which a turbine , driven by combustion gas from burning of coal in a pressurized fluidized bed combustion boiler , drives an electrical generator at constant speed and drives a compressor supplying compressed combustion air to the boiler
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