???6????????28?????????????????????? ??28??,?????,?????????????????,????????????????17???,??????????????????????????,7?????????????????,?????

???????«???»,?6??????????????28?????????????12?????????,????????????

?????:?? “????150???”????

?? ?????????????????????

????:1?????150???:????????

2???????

3??????

4???????

5??????????

???6????????28?????????????????????? ??28??,?????,?????????????????,????????????????17???,??????????????????????????,7?????????????????,?????

???????«???»,?6??????????????28?????????????12?????????,????????????

?????:??