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