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????:?????????:??????app

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