ʽC(j)()ԓO(sh)Dzúµ켼g(sh)·fĽY(ji)(gu)O(sh)ӋӹƷwoѿpκM(jn)Ȳ^500mm(qing)Ȳ^350MPa>ĸN֡(x)ϣrʯʯȣȴС{(dio)(ji)Ҏ(gu)ӻVˮ늡ٹ·˹ɰʯИI(y)
SҬF(xin)؛(yng)N̖܇dƄӺʯɰC(j)m鿹(qing)Ȳ150MpaеӲȴʯɰúoúl(f)늏S偠tȼúúʯʯ\
Pڏ퓎rʯC(j)ҪеӲ¼ϣúˮʯࡢ\uʯʯϵĿ(qing)Ȳ(yng)^300Ȳ15%ԓO(sh)нY(ji)(gu)ȴa(chn)ߣƷȾc(din)Ը(j)͑Ҫ_(d)ͬijȡ
ʯɰC(j) Y(ji)(gu)(d)tN(d)صķrmӲrЧ(ji)ܣȴС{(dio)ܺҾȴЧʸa(chn)ƷΠwxȃ(yu)c(din)
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