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