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???:WBMS:2019?????????2,200?

??????2?20?????2?19???,???????(WBMS)?????????,2019???????????,????????2,200??2018??????9.87???

??2019?12??,LME????????????????5.31???2019?????????240.83??,???241.05???

2019???????260.96??,?2018?????21.8????????/?????????11.9??,?????130.43??,???????20.8??????????????6.5???

2019?12?,????20.49??,????19.14???

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