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

2??????????

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

4?????VX

5????????150

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

?:?????????