????:1?????????2019:????

2??????300??

3?????11???

4??????

5???????

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