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

2???????

3?????

4????????????

5???????

??11???????????25?????? (???? ?? ??????????)11??????25?????????,???????????120???,???????????????????????????41.5???,??“??????????”,?????????“??????????????”?

41.5??????????????????? ?????? ?????

????,?????????“??????????????”,????????????“???”,??28.5????????,????52??????,??????,??17.77????????????

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

?????????????“7×24”?,??“?”??????? ?????? ??????

???????“7×24”????????????,????????????,?“?????”????????,??????????“???????????”????,??,?????,????????????

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

??????,???,????????,???,??“????????”,????????(????)

?????????????:?????