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

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

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