????:1??????????:??????

2??????????

3?????

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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