?? A?????????????
????:1?????????:????
2??????
3?????24????
4????????????
5?????qt??
?????12?5????????? (??????????????????? ?????????????????)??A???,???????????5????????????4%,??????????????????
????,?????4.21%,????;????????13%,?????????????,?????????????????????????????????????;?????,???????????????20%?
??????,???????????????????,????????,???????????????,???????????,???,???
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?,????????????,????,???????????????????????????????????????????????????,?????
??????????,A???????????????????????,?3368????????????????,????????????????0.13%;??10634???????????,??????????0.29%;??????????????????????????2221?????????????,??????????0.36%?(??????????????) ??????:????????????????????