?????????11??????????????????????26?? (???????? ???????)11???????????26??,??????????????????,??????????????????????????

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

?,?????????????????????????,??????????????????????800?????,????,?????????????????768???????????

?,????,?????????????????????,??2×180?,???1.6???????????????????????????,?????????

???????????????,??????????????????????????,?50?????5?????????????10?,??“???????”?????????????????????,???(???????)

???:??? “???????????”????

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

????:1????????????:?????????

2??????

3?????????

4??????

5?????????

?????????11??????????????????????26?? (???????? ???????)11???????????26??,??????????????????,??????????????????????????

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

?,?????????????????????????,??????????????????????800?????,????,?????????????????768???????????

?,????,?????????????????????,??2×180?,???1.6???????????????????????????,?????????

???????????????,??????????????????????????,?50?????5?????????????10?,??“???????”?????????????????????,???(???????)

???:???