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

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

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