- NonlinearfiniteelementanalysisofrectangularsteeltubeconcreteaxialpresspuncheonBeforeanhour'sout,I'llstoveinyouroldblock-houselikearumpuncheon.Resultsshowedthatthesizeofparticleswasintherangeof10~30nmandalltheparticleswereanatasecrystalshavingshapes...
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