radon emanation造句
Theresearchresultsoftheeffectofcoveredsoildensityonreducingradonemanationrateareintroduced.Themoisturecontentdistributionandrelationshipbetweenmoisturecontentandradonemanationrateonthetailingssurfacei...
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emanation造句
Theplacegaveoffastrongemanationofevil.Theleastofman'soriginalemanationisbetterthanthebestofaborrowedthought.--BuddhaItisanemanationfromthedistantorbofimmortallight.Theresearchresultsoftheeffectofcove...