??????????????????

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

??6?????30??????(?)6???????30?,?????????2???

??6??????????30????????16??????,????????????????????16.90???????0.20????????????????????,?14.82??????????????????0.42?,?11.56?????????0.36?,???????????????????10.42???????????0.42????????????????19??????

??,????????????,?????????,?????24?;??????,?????,?;???????,??????(???????????????????)

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