1)flue gas desulfurization process,烟道气脱硫过程2)stack gas removal of sulfur dioxide and ash dust,烟道气脱硫除尘3)stack-gas desulfurization(scrubber),烟道气脱硫<能>4)stack gas desulflrization facility,烟道气脱硫装置5)stack gas desulfurization technique,烟道气脱硫技术6)flue gas desulphurisation (FGD),烟道气脱硫 FGD
