不朽情缘

??????????????????????????????????????????????????|????????????(304)|????????|???????????????????????????????
???????

??????????????????

?硡????0635??2189598

???????13396220692??17862525099??17862512888??18963580692

?????2418524989@qq.com

??????????????????

??????????????и??????????????66??

??????λ??? ?? ? >> ??????

????????????????q550qe??????????????????

?????????2015/5/22
???????????????????????
?????1236

????????????????q550qe??????????????????

???????????????????????????????????????????????<BR>1?????????????1.95??105MPa???????????????????????????????<BR>??1.96 19.3 19.1??/3=1.93??105MPa?? <BR>2?????????????????μ???????????????<BR>??L=P*L*(1-e-(kx ???))/(kL ???)/Ay/Eg<br><br>???????????????????<br><br>??????????????????????22*2300*9000  70??<BR>24*??

??????????????????????

?????????????????????????
1?????????????1.95??105MPa???????????????????????????????
??1.96 19.3 19.1??/3=1.93??105MPa??
2?????????????????μ???????????????
??L=P*L*(1-e-(kx ???))/(kL ???)/Ay/Eg

???????????????????



??????????????????????

22*2300*9000 70??
24*2000*8000 80??
30*2100*9000 59??
35*2100*8000 60??
50*2100*8000 30??

????????


   ???????????????????????????????????????????????????л????????????????????????????????????



????????????????q550qe??????????????????????

  • ?????????? ??????16Mnq??????????????????????????????????????????????
  • ?????????? ???????????55*1800*C??q345qe?????????????????
  • ???????????
  • ??????? /CONTACT

    ??????????????????
    ?硡????0635??2189598
    ???????13396220692??17862525099??17862512888??18963580692
    ??????????????????
    ?????2418524989@qq.com
    ??????????????и??????????????66??
  • ewm
  • ewm2

    ?????????????????
    COPYRIGHT ??????????????????   ????????ICP??2021038300??   ???????????????

    ????

    ??????

    • ?????13396220692
    • ?????17862525099
    • ?????17862512888
    • ????????
    【网站地图】