?? ?????????:???????? ????
![](https://image.chezhanri.com/2019/0715/20190715142733485.jpg)
????:1???????:????
2???????????
3????
4?????
5??????????
??????????8??????????????????????????????????6???? (?????????????????)?????,?????,?????????????????,???????????????????????????,??????,??????(???????????)??????,??????,??????
??????????????,?????????,?????????????,?,?????,??,?????????????????????,????,???,???????,??????????????,??????????,?????,??,????????????
??????????,??????????????,????????????????????????,??????????,???,??????,?;???????????,????,???????????????,?????????????;????????????,????????????,??????????????,???????,???????;????????????,????30?????????45????,???????,???????????;??????,??????????,??????,???????????,??????1???????????,????,????????????????????????,???????????
??????????????,????,????????????:??,????????????,??????15?????????,????????????????????????????????;???????,???????????,????????,????????????????5-20????,?????????????;?????????????????????????????????????,????????????,?????????????????????????,?????????
???????????,????????,???????????????,?????????,????????????120?????????????,????????,??????,??,?????????????,???????????,?????,???????????????2?????????????,???????,???????????????,?????,???(??????????????) ????:???????