????:1?????????????:????qt???

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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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