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????:????wx:???????

???????????????6???19????????????????? (????????????? ?????????????????)????,????????????

19??????????????????????,?????3.46?(??,?)????,?????

??,???????????????????????????????????????????????????????????????????????(???????)2.13??,??,????;??????????????????????????????(???)0.69???,????,??,??????????????????????????????????????????????????,?;?????????????????0.64???????????????,????????,??????

???????????????,??????????4.43??,?????

??????????,?????4.43????,??????????????????????????????????????????????????7???,?????????,??,??,???????????(?????????) ????:???