???????? ????????????

????:???????????:???????vx

???8????12????????? ?????,??,??,??????10????,??,?,????,????????????

????????????,??,???????24??,???????????????????????????????????????????????????????????????????????????????????????????????????????????,??(100~110???);????????????????????????????????????????????????????????????????????????????

8?????11??,???????????????????????????40~42.3?????(41.6?)?????(39.4?)??????????,?????????????????????????????????????????????????????????????????37???????????,??40??13????????14??,??

??,??5??????“???????”????????????8????,????????,????????10????????????(25????/??),??????988?????20???,????6????“???????????????????????”?????????????30-35??,??????????,???

?????????????????,?,???????????????????,?????????,??,???????????????6????????????????????“??”?,????????????????????????1-2??????

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