????:1?????:??????????

2???3??400??????

3???????

4?????

5??????????

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

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

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

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

?,

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

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

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

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

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

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