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

?硡????0635??2189598

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

?????2418524989@qq.com

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

??????????????и??????????????66??

??????λ??? ?? ? >> ??????

???????61.56??201???????????????

?????????2013/12/19

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

?????2304

???????61.56??201???????????????

????????????????????????????????b?? ??????????????У??????????????????????????????????????????????????С????????????????п??????????????? ??Pb??????????????????????Fo??????????????????????b= Pb/Fo ??MPa????<BR><br><br>???????? ????????????????????????????????????????????????????????????????????????

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

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

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

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

????????

??????????????????????????????????????????????????????????????????????????飬????????????????????????紹???

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

8??1800??8000 35??
8??1800??8000 80??
8??2000??8000 32??
8??2000??8000 42??
8??2000??8000 21??
10??1800??8000 32??
10??1800??8000 80??

???????6*1.5*6??q345qc???????????????????

?????????? ???12??19???????35*1.8*7??Q345qD??????????????

?????????? ??β?????????????纣?????÷???????г????????

???????????