oúVσ(yu)cf
oúV̶̼ܶȴȴ^ɶȺWܷ(wn)^õĹwwܿɿߑҸwoúVϲжк|oúVˮоܽĥԏıȱeͺ,oúVˮˮѭh(hun)ˮ^V^õĺÉ,ֱӰVˮ|.ˮ̎xoúһҪxwҷС̼ߵ
oúVgҪ
1oúʺĥp֮Ͳ3%ٷʰ|Ӌͬ
2oúƽܶһ㲻С1.4g/cm3,1.6g/cm3
3oúҊ퓎rм3%ܶȴ1.8g/cm3|8%
4oú}ʲ3.5%
oúVϵ
1ˮğoú飺0.8-1.2mm1.2-2mmI(y)ˮoú飺1-2mm2-4mm4-6mm
2ڸNğoúСָIJ3%ָIJ2%
oúVĿǰձõļ^Vϡ;VmˮI(y)a(chn)ˮԼN͵ͨVpӼӞVأNˮ^VNh(hun)O^VbˮCе^Vұˎ켈ӡȾʳƷȵa(chn)ǰˮ|̎
oúVϵİb:
Ͼbÿ50ꎛ̎˱