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

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

???:??????