limestonen.石灰石limestone/ gypsum method石灰石-石膏法limestone - gypsum method石灰石-石膏法limestone sintering process石灰石烧结法limestone/gypsum process石灰石／石膏法limestone-mining wasteland采石废弃地limestone mountainous region石灰岩山地limestone-gypsum FGD Plant石灰石-石膏法脱硫装置limestone-gypsum wet-FGD石灰石-石膏湿法烟气脱硫limestone-gypsum wet method石灰石-石膏法Limestone seasonal rainforest石灰山季节雨林