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

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

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