?? ????????????????????
????:1????????:??????100?
2?????????
3???????????
4?????300?3??vx
5????????
?????????????11????????????????27??????? (?)????????????27??,????????????????????11?26??,?7000?????
???????,??29????,????21???????????,???????????????????7??????????????????,???????????
????,??????????24?????????????????,????,???????????????“???????????????????????????????”?,???5????
????????????,???,????????2500???????????????????,????(?????????????) ??????????????:??????????????