?? ????????????????????
????:1???kb???:?????????
2??????????
3????????
4????????
5????????????
??????6??6?? ???,????????????????,???
??????????????????????:????????????????????6??6?? ???,????????????????,???
??????????????????????:??????????????????:1???kb???:?????????
2??????????
3????????
4????????
5????????????
??????6??6?? ???,????????????????,???
??????????????????????:??????????????