????:2025-02-22 20:43:23 ??:????
????:??????vx:????????
????????“????”?????,??,???????????????????,???????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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