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l(f)rg2022-01-22 g[

۱ϩܶȴsǶ٣

ܶȞ1.32g/cm3(23ȣ

۱ϩɫĩСwܶȞ1.32g/cm3(23ȣضȞ188㣬ܛضȽ210һ㷽rˮɕr֕ܿĭh(hun)ȡˮ﷨xľǰɫܛķǽYw

ǮҺгt鲣͸Ĺwȫľ۱ϩPAMǴԵİɫwƷ۱ϩͨmȵėl¸һ㺬ˮ5%~15%TڲƂĸ߷Ĥt͸ӲĹw

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֙C139382080321352300823013607658536

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