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l(f)rg22-12-05 g[
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ܶȞ1.32g/cm3(23ȣ
۱ϩɫĩСwܶȞ1.32g/cm3(23ȣضȞ188ܛضȽ210ȣһ㷽rˮɕr֕ܿĭh(hun)ȡˮ﷨xľǰɫܛķǽY(ji)w
ǮҺгt鲣͸Ĺwȫľ۱ϩPAMǴԵİɫwƷ۱ϩͨmȵėl¸һ㺬ˮ5%~15%TڲƂĸ߷Ĥt͸ӲĹw

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