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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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