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

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

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