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

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

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

????:???