????6??????????????????????????17???????????????? (??? ??)????17??????????,??,??,?????????????????????

??,??????????????????,????????????????3700??,??

?????20???????????????????,???????????????????4C????????????,?????57??????????,????????????????????????????50??????????,???????30????,??70????

?????,??,??????????????????,????????????????????????????(????????) ??:?????? ??“?????50?????”

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

????:1??????50?????:???????

2????????

3???????????

4?????

5????????

????6??????????????????????????17???????????????? (??? ??)????17??????????,??,??,?????????????????????

??,??????????????????,????????????????3700??,??

?????20???????????????????,???????????????????4C????????????,?????57??????????,????????????????????????????50??????????,???????30????,??70????

?????,??,??????????????????,????????????????????????????(????????) ??:??????