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

2?????600

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

4?????????

5???????

?????6?30??? (????????? ???????????)???30????????,?????????????,?6????????????????????30???????????,???????????????????????,???????????????5300?????????????,?????????????1000?,????“?????????????????????????????????????”??????????????????

?????? ???

?,???????????????,????????????,??????????????,???????????????,????70%????

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

??,?????,??,??,??7×24?????????????,???“????????????????????????????????????”???????????,??????????????????,??????????????????????,????????????“??”?(?)

?????:????