??????????? ???????15.3?
???2?17?? (? ?????????)?17?????,??????????,2?13??????????16??????????,????????????????????,???????72????????????????15.3?,????????;????????????????????????????????10???????48????????6.5?~10.9???,????;?????????????????????????4????
![](http://i2.chinanews.com.cn/simg/ypt/2025/250217/5cb8f70a-6219-471c-be51-40a2e2eb1e66_zsite.jpg)
??,??,???????????????
??2????18????????????2???????????22??,??,???,????2?19???????????2???????20???,?,?????????,???????????????,??,????????????(????????)
????:?????????????
??
???:????