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无缝方矩管
发布者:山东方管厂发布日期:2019/9/17 17:08:58点击:101

相关介绍:

东方彩票注册  WUFENGFANGJUGUANDESHUXIANGCHENGZAILIZHIZAIWAIHEZAIZUOYONGXIA,BUSANGSHIWENDING,BUCHANSHENGGUODABIANXINGSUONENGCHENGSHOUDE******HEZAI。YAOJISUANWUFENGFANGJUGUANDEWUFENGFANGJUGUANDESHUXIANGCHENGZAILI,XUYAOCONGYIXIALIANGFANGMIANZHESHOU:

  (YI)JISUANWENDINGXING

东方彩票注册  WUFENGFANGJUGUANWENDINGXINGDEJISUANJIAOWEIFUZA,YAOKANLIANJIEDEFANGSHISHILIANGDUANGUJIEHAISHIYIDUANGUJIELINGYIDUANJIAOJIE。GUJIBUZHISHIYONG1GENLIZHU,SUOYIKEYIJIANDANJISUANCHENGLIANGDUANGUJIE。LINJIEYALIJIANDANJISUAN:P=(4*n*Pi^2*E*I)/[(L/2)^2]。nLIZHUDESHULIANG,pi^2JIUSHIPAIDE2CIFANG,EDANXINGMOLIANG,IGUANXINGJU,LLIZHUZHANGDU;

  (ER)JISUANYAYINGLI

  JIUSHISHUXIANGYALIZUOYONGZAIWUFENGFANGJUGUANDEHENGJIEMIANSHANGSUOCHANSHENGDEYAYINGLI。ZHEIGEBIJIAOJIANDAN,JIUSHIYALI(DANWEIN)CHUYIFANGGUANHENGJIEMIANMIANJI(DANWEImPINGFANG)。ZHIYAOYAYINGLIXIAOYUCAILIAODEXUYONGYINGLIJIKE。

东方彩票注册  YISHANGZHEIXIEDOUSHIJIANDANDEJISUAN,WOMENZAISHIJISHIYONGZHONGYINGTONGSHIKAOLVWUFENGFANGJUGUANDEANQUANXISHU,SHENZHIDIZHENZAIHEDENGYINSUDEYINGXIANG。JUTIDEQINGKUANGBUTONGYAOZIJIFENXIBINGQIEQINGYOUJINGYANDEGONGCHENGSHIJISUANHUOZHEZHAOYOUZHUANYEZHISHIDERENJISUAN。


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