A2550?

2017011920:28  
 
??A2550?

?A????2030????????????2000??

?????A????????60%A??25?50?

???504?A???????85%2000??????????????????Anthony Rylands?

??????????????1990?2010??A??????????150????3

????A?????Rylands??????????????????????

4???????????2/3A????????111????94%??

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