????:1?????????:???????

2????92??95

3??????

4??????????

5??????????

???????“???”??,?????,??,??2??5???????????,?????

???????(??/??-??)?????????????????,???,???????????????????????????????,???????????????????282.77???,????????10Mpa?

??81.52????????,????????????????,??????24.1??????????,????48.7%(????12????),??????????47.9%(??11.8??),??????29.1%(???????7.2????),??20%;?8??,?30%,???????10??????????????

????,??,??220??,????????????????????????70%,?????????2027????????,????,?????????(?? ???? ??????????????????? ?)

??????????????:???