ʽC(j)()ԓO(sh)Dzúµ켼g(sh)·fĽY(ji)(gu)O(sh)Ӌ(j)ӹƷwoѿpκM(jn)Ȳ^500mm(qing)Ȳ^350MPa>ĸNС(x)ϣrʯʯȣȴС{(dio)(ji)Ҏ(gu)ӻVˮ늡ٹ·˹ɰʯϡИI(y)
SҬF(xin)؛(yng)N̖܇dƄӺʯɰC(j)m鿹(qing)Ȳ150MpaеӲȴʯɰúoúl(f)늏S偠tȼúúʯʯࡢ\
Pڏ퓎rʯC(j)ҪеӲ¼ϣúˮʯ\uߡʯʯϵĿ(qing)Ȳ(yng)^300Ȳ15%ԓO(sh)нY(ji)(gu)Σȴa(chn)ߣƷȾc(din)Ը(j)͑Ҫ_(d)ͬij
ʯɰC(j) Y(ji)(gu)(d)ءtN(d)صķrmӲr顢Ч(ji)ȴС{(dio)ܺҾȴЧʸa(chn)ƷΠwxȃ(yu)c(din)
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