gypsum造句
gypsumcrystalclusterHelpingeachothertoremovethegypsum.Thescraperconveyorwilldistributethegypsuminthegypsumstorehouse.MethodforchemicalanalysisofgypsumandanhydriteItmainlyconsistsofhydrocycloneasgypsum...
gypsumcrystalclusterHelpingeachothertoremovethegypsum.Thescraperconveyorwilldistributethegypsuminthegypsumstorehouse.MethodforchemicalanalysisofgypsumandanhydriteItmainlyconsistsofhydrocycloneasgypsum...