不朽情缘

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

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

12??2000??8000 79??
12??2000??8000 35??
6*2200*800035??
8*2000*9000 21??
10*2100*9000 32??

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

?й????е?????????

    1.????????s??

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

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

????11??25????????60*1600*C????????????????????????????