?? ??“??????”?? ??????????
????:1?????????????:???400???????
2???????
3?????200?????
4??????v
5???????
??10?23??????????????? ???????????,??20??“????????????”??10???22????????????????????14????,??330?,??????9??????????????(23??????/?????,???????),????????????????????990??,????160~270?????????????“?????????”????23????24???,????24?????????????“????”???,23???????28??????:
?????:??,“??”?20??????,??,??????????,????????23??????24???,????24??;?,“?????”????????????,????(38~42???????/????,13~14?),??????27?,“?????????”????,??,????
????????????????????????:?“?????”??,23??28??,???????????????????????????????????????????????????????????????????6~8???????9~10??,??????,??????????????????????????????????????????????????????????9~10?????????11~12??????,“??????”?????11~14????,????15~16???
??????????:??24???????27?,??????????????????????????????????????????,??????????????????????,????,????20~60??????????,?????????????????100~300?,?400~600??,?????600???????24?????????????25?,???????????????????????25?26??
??,???????“???????????”??,?????????????????????????????,??????????????????????????????????;????;???????????,??????????,??????????????,??????????????????????????????????,????????????????
??????:???