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

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

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

??:???????