????:1???????200??vx????:?????????

2???????????

3???????

4???????

5????????

10????????????,??????????????,??“??+??”????????????????,?????????????????????,?????????????????

???????“???”???????????????????

??????????

53????????????(?????)??????,??????????????,???????????????CT?????,???7.5cm;30???(?????????????????)??,???????,???,?????6cm;63??????????(??????????)????,???????????,????????????????????????……

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

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

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

??????,??,??????????,??????,???????????,?????

??,

??????????16cm????????????????????????

51??????????????(??)????????79??(??????????)???????????“????????”,?,?????,????????????

??????????????,????????,????????????????????????,???,?????????16cm???

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

?????????,???????????????????,????????????,??????????????????????,??????????????,??????????????????,????????????????,?????(???????????)??????????????,???????????????????????????????,???

?????????????,?????????????????????????,???????????????????????????????????????,?????????????????????,????????????????????,?????????????????????

?????:???