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_(ti)476m3cA

  A۵Ҫ;V(yng)ھиgҺwă(ch)\(yn)ݔ,Ҫ(yng)ИI(y)ˎ(ch)댧(do)wИI(y)ˎ(ch)PCBИI(y)ˎ(ch)ИI(y)ˎ(ch)ИI(y)ˎ(ch)̎ИI(y)ˎ(ch)켈ИI(y)ˎ(ch)Uˮ̎Sˎ(ch)ȅ^(q)Ĺ̡


Ac(din)
1p|(zh)ߏ(qing)
A۵IJܶͨ1.8-2.0g/cm3,s䓲ĵ1/4-1/5,h(hun)(qing)ȡ300MPa,ȏ(qing)ȱ䓲ĸߡ
2ͻW(xu)g,ʹÉL(zhng)
A۾Ѓ(yu)ͻW(xu)g,ڃ(ch)港gԽ|(zh)r(sh),@ʾoȔMă(yu)Խ,ͬwԭϿͶNᡢA}ЙC(j)܄
3O(sh)Ӌ(j)ԏ(qing)
Aۿͨ^׃?c)ϵĽMϺ̓(ni)rY(ji)(gu)ϻӵȸӺȽY(ji)(gu)͹ˇĶ{(dio)䓃(ch)۵W(xu),m(yng)ͬ|(zh)͹lµҪ,_(d)ă(yu)

  
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