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desulfurization造句
91. The function of pyrolusite coexisting component in flue gas desulfurization was studied. 92. Environmental protection is the theme of 21 century, desulfurization has been an important and impendence mission. 93. Two forced oxidation devices of flue gas desulfurization in power plants are introduced, including fixed air sparger(FAS) and agitator air lance assemblies(ALS).