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

4-5???????
??????????

???? ????????????????
???????10??110?
?????????????????
??????????I????????????????????????510?
??????????????????? ??j?42??????j?13
?1????????23??
??????23??????????????????????????23
????????) ??18??10-20%50%?????40%?????????????????????????????????????
?? ????????????????????????????????????????????????????
???????????
1.20g+5-10?+
2.40??1?
3????250??60???10-20??
???
1? 305...