?? ?????????30?????????? ????????????
????:1??????????:??200??
2?????????
3???????????
4???????
5?????v
??9??????30?????????????? (???????????? ?????????)????????????????????????“???????????????30??????”30????????????30????????280?(??????????????)?????,?????
“??????????????30?????????”30????????? ??????????????????,????“???”“?”“???”??,???????30????????????????????????????,???????????,?????
“????30????????????????”30????????????????????? ?????????????????????????“??????,????”“?????????,????”“????,????????????”????????????????,????????????????,????????????????,??,??????,???????
“?????????30?”30????????????? ??????30??,??????,??,????2000???????????,?,???10???,?????20?????????
????????????,“?????????????30?”????2025????????????????5????????????????,??????????????????,????(????)
????????????????:????