ИI(y)
VI(y)еijmO
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VɽmҪÝmVɽۉmзɢȸСcĿǰʹõĝʽmVɽۉmijmЧeۉmmЧ^(һ80%90%)̫(s2000Pa)ˮ(0.51.2kg/m3)ҪeˮMˮ^V˳ͶYγ˶ȾSh(hun)RIJҌۉmŷҪҲԽԽʽmOѲm
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ˮm¶FVҪm֮һPbI(y),ԓռλڴ˹ˇ^,ˮmČʩ,ͨ^ѵĆλˮVrAķʽMеġڮ¶Vɽ,PˮmĽ(jng)ѽ(jng)e˺ܶ,˻϶ȡÿ϶Ч