不朽情缘

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

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

?硡????0635??2189598

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

?????2418524989@qq.com

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

??????????????и??????????????66??

??????λ??? ?? ? >> ??????

????2??19?????????q500qd???·?????????????

?????????2016/2/19
???????????????????????
?????1466

????2??19?????????q500qd???·?????????????

??????????????????????????????????????????????????????г???????????????????????????????????????????????г?????λ???????????????彻???????????棬ó??????????????????????????<br><br>???????????????????????й????е?????????    1.????????s??   ??????????????????????????????????????????????????????????????????

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

???????????????????????????????г???????????????????????????????????????????????г?????λ???????????????彻???????????棬ó??????????????????????????

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

?й????е?????????

    1.????????s??

   ???????????????????????????????????????????????????????????????????????????????Σ????????????????????????????????С?????????????

   ??Ps???????s??????????Fo?????????????????????s =Ps/Fo(MPa)??MPa???????????N??????/mm2????MPa=106Pa??Pa???????=N/m2??



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



????????

 ??????????????????????????????????????????????????л??????????????е????????绰?????????????????????




????2??19?????????q500qd??????????????????????

  • ?????????? 2??18????????????q420qc????????????????????????
  • ?????????? 2??19??20*1500*6000????·?????÷??????????ж????
  • ???????????

    • ??????? /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】