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