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

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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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