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

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

3?????gm??????

4??????????

5?????????150

????????????????12??19????? (?????????????????? ???????????????????????????????????)12??????????????????18?????????,????????,??

???????????????????????????????????,?????,??2.6???????????????????,??????G76????????,?,???????????????????,???????????????????????????????????????????,??G206????,??????????,??G206??????????????,????G35????,??????22.965??,????????36.04?????

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

???????????????????????????,????“??+??”“??+???????????”?,????????????,???????????????????,??????39????????,??1?,?????????????????????????????????????????????(?????) ????????:??????????