????:1?????:?????V

2???98??

3????????????

4???????????

5??????95???

??“??”??????????,??,??,?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?,????????,?????(?? ????? ????????????????? ???????)

?:?????