?????????????????“???????????????????”?,???????,??,??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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