???

?????~
???1??????????2?????????3??????
??160/75????????90-140??60-90???????????????????????????????????????????????????????????????????????????????????????????????????????????
1 ?

l??24kg/m2?2????6g???25????15???????????2030g??1015g3?4?????

2 ?

????????1??2?????????31????????2?????2??4?????1?24??5`?
???3??????????????s

2.1 ????????????????????????????????????????????????????24???????????????????????????????????

2.2 ???????????????????????????????????????????

2.3 ????? ??????????...