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2??????150???
3?????????????
4???????????
5???????
1???????22????,???,????,1??????23????27????????,??????????,????????????????????????????????,????????????????????????????????????????????????????????????????3?8cm,????????????????????????????12cm?????????????????,?????,?????,??,????????????????????????????,??????8?12?,??????14????????,????????????4??????????6?????,??7????9?????????1?????????26?27????????,?6??8???
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