ɰһ(j)ɰr(ji)
l(f)r(sh)g2020-12-29 09:12:41 g[
ÿ궬ǶҪ(ji)ܜpŭh(hun)(yn)@Ҳ(do)
r(ji)IJϝqһ(j)ɰăr(ji)ǺȪh(hun)Сo(bo)r(ji)
Ȫh(hun)N۵ɰr(ji)4500Ԫ/ǰׂ(g)4300Ԫ/Ҳfɂ(g)µĸϝq200Ԫ/cς(g)´(sh)˾ԓ˾ăr(ji)ϝq100Ԫ/(j)˽ҪԭǽXԭϹ(yng)Ȼo(do)I(y)h(hun)(do)Դ(yng)pɰܣSiCиߵg@ӲȞ1800-2200kg / mm2ѷeܶȡ3.85g/ cm3ߜͻԸ_(d)1850ɰҪĥϣmĥNͨFӲ~Ⱦи߿(qing)ȵĽҲƳͻ
ɰđ(yng)÷
1ߜg(qing)ȸˣT䓻(dng)쌦(du)ϡϽմFߠttrڣܣM(jn)̎͟ͿͿ
2ӲȸĥԺã(qing)ȸߵc(din)ڸNW(xu)(yng)(yng)ܵW(xu)C(j)еNģģDģUPо칤ģĥwP(gun)(ji)ܷȦ