????????????
?????,????????????,????????????
???????
????????????????????睢�?????械睢�??????睢�???????睢�??????械睢�?????????????????????
??????????
???????50??
?????械?60??
???????70??
????????80??
??????械?90??
????????100??
???????????
1??????????????50????60????70????80????90????100???????????????????????睢�?????械睢�??????睢�???????睢�??????械睢�?????????????????
2????????????????????????????????????????锌????????????
???????娣�??
1?????懈??????????????危???????50??????????????0???????????????
2????????????????????????????????????魏谓?????
3?????????10???????????????????泄??锛�?????????????????????
4?????????????????????????????????????????????
????????????
1?????????????????????????????????????????????????????
2???????????????0??????????y???????
????????????????????http://austindefensivedrivingonline.com/qyzh/
