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1Ŏۡ1wֻܰb1?sh)Ď@NʽĎoB(ti)(qing)һ680 N/mm(yng)ܵһơچŎ۵Ŀᔛ]A(y)bڿwʆŎӆ^в(wn)a(chn)^Ť[ӆ۳ɹ^ԓʽ۵ă(yu)c(din)ˇɱ^͡
2pŎ1wܰb2?sh)Ď@NʽĎ۽Y(ji)(gu)(wn)Qӆ^Ť[^Ć}۵ӆ۳ɹʵõ˺ܴͬrpŎۏ(qing)ȵȼ߿_(d)2 800 N/mm
3Ŏһwܰb3?sh)Ď@NʽĎۏ(qing)ȵȼ_(d)3 400 N/mmҪ^ߵļӹˇֶ
4Bwۡwһ߅BӲܝM㌒ҪĎӆƌ1 200 mmӲ^͵ݔ͎reǷӎ@NʽĎЧطֹݔ͎׃ʹ^õČͬrBwۏ(qing)ȵȼҲ_(d)2 500 N/mm
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