вW(wng)1|(zh)ڻW(xu)ʽ?jng)]Ѕ^(q)eҎ(gu)ą^(q)eҪ|(zh)IJͬܶȡӴСΠϢǶȵһp|(zh)AܶȞ500-600kg/m3,|(zh)AܶȞ1000-1200kg/m3p|(zh)A370kg/m3ң|(zh)A1550-2553kg/m32r(ji)ą^(q)e|(zh)Ap|(zh)A100--200Ԫ3a(chn)p|(zh)AҪǰAa(chn)ԭ}ʯʯԭͨ^W(xu)ϳɷa(chn)p|(zh)Aͨ^ˮϷa(chn)|(zh)A|(zh)AҪȻAa(chn)ȻAԭͨ^l(f)̼a(chn)|(zh)A