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

?硡????0635??2189598

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

?????2418524989@qq.com

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

??????????????и??????????????66??

??????λ??? ?? ? >> ?г?????

3??13???????301.87??q370qe??????????????????

?????????2014/3/13

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

?????2156

3??13???????301.87??q370qe??????????????????

???????????????????????16*2200*8000 78?? 20*2200*10300 32?? 25*2200*12050 90?? 30*2200*8000 98?? ?????????????????????????????????b?? ??????????????У??????????????????????????????????????????????????С????????????????п??????????????? ??Pb??????????????????????Fo??????????????????????b??

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

16*2200*8000 78??
20*2200*10300 32??
25*2200*12050 90??
30*2200*8000 98??

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

??????????b??

??????????????У??????????????????????????????????????????????????С????????????????п???????????????

??Pb??????????????????????Fo??????????????????????b= Pb/Fo ??MPa????

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

??ó????????????????????????????????????????????С??????????г???????????????????????????????????????????????г???????????г??????????????????????????????嶯?????????????????????г??????????????г????????????????????????????????????ó????????????????????????????????????????

3??13???????30*1.8*7??q370qe???????????????????????

?????????? ??????????14*1800*8m??q690qd????????????????

?????????? ????3??15????????????203??16Mnq?????????????г????

???????????