????:1??????????:??????4?????

2?300?2?????

3????????

4???????95??

5??????????

???????????????2??12?????????? (???????????? ????????????)????,13???????6???????,??????????????????????????????????????????????????,???????????

???????????????????????????????????????,???????????,???????????????????????????75.03????????,????

????“??”?????????????????????????????,??????????????62.90???????,??,???????????????????,?????????,??????????,?????????????

???????????,?????????????????,???????103.81???????????????????,???????,?????????????????????????????????????

???????????,??????????????????????“???”???????,??????????????????1:6???????????????????????

????,????“??????”??????????“?????????”?????,???12?????2:1????,?????????“???????????????”?

13??????????????????,??????????????????????????????,????????????????????,???????????

?,???13?????????????????????????,31??U??

???????????,??????????????????:“??,??”

??????????????U???????????????,??????,???????????????????

?????????,????4×6??????????????????4×7.5?????????,???????????????????????,?????????????????????1?????????2????????????

???????7.5??“????????????”??????????????????,???????????,????????????,????????????(??????) ??:????