?? ??????????? ??????4?????
????:1???????:????qt??
2???150???????
3?????
4????????????
5???????
??????????????1?7?????? (??)???6?,???????????????????“????”??????????????,?????????,?????4??????
??????????6????????????,“?????”?????????,???,???????????????20??????,??????????????????????????????????????????????????????????????????????????????????
??,??,???????,??????,?????????????,??,?????????????????,???
???????????????,?????,??????????100?????6???????,???4????,?????????????????????????-????,?????????????????????
??????,?????????????????(????????????) ????????????????:??????????????????????????????????