??3????????3???

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

?6???????8???? (?? ???)??8?????????????????,??,6??7?15?????8??15?,???????????????????????????,????,????????????259.0?????????????????????????196.5???

??????????????,??????3???????????????????3???????????????0.03??0.49??8??15?,????????????????????

8?15??,?????????13.13???(?18.5??????),??16900???

?????,??,?????????24????,?????????????????????????????????????????????????1??4?,?;???????(???) ??:???