???????????


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


1????????????????????????????????????????????????????????????????????????????????????????


2??????????????????????


3?????????????????????????????????????????????????????


4???????????????????????????????????????????????????????


5???????????????????????????????????


6????????????????????????????????


????????????
1???

??100cm??:????–1.0cm?+2.0cm

??100?140cm:????-1.5cm?+2.5cm
??140cm??:????-2.0cm?+3.0cm


2.??
????????:????–1.5%
??????????:????–2.5%
??:??????,????????,???????


3.????
????
????:????3?;????4?
????:????3?;????3?
???:????3?;????2?3?


????
????:??3?4?;??3?
????:??3?;??2?
???:??3?;??2?


4.???
????????:?????–5%;?????–5%
???????:?????–6%;?????–5%


????????
????????
?1???????????????????????????????????

?2??/????????????????


???????????????????????????????????5%????????????????????


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

?1????????????????????????????????

?2?????????????????????????????????????????????????

?3??????????????????????????????????????????

?4???????????????????????????????????????