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

2?????

3?????????

4??????

5????????mm

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

??????????????,??1??10?????????,??328.8??,???????????19.8%?????????????????10??????????????????,????????1188.4?????????,???????49.4%,????,????339??849????????????????,????????????????????????,??????????????????,??????????????

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

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