?м??????

????????????ò??

??????仯??е??????????????????????С?壬??????γá?档???????衢м????????????????λò?????????????????

??????λ?????????鷢?鷿???????????????áС?????????в?????ж?????????????????????÷?????????β????????

?? ?????漰???????????й??塣д????е?????飬л?????Ｐ?м棬?????е???????????????????л???????????????????????...

??????Búм??????
????ó???????????????????С??????????????ò?.
????????а???з纮??а?纮????к???赹а?硢?????.
?
10 10 15 ?15 ?10 ?15 ??15 10 20 ?10 10 10 10 10
???20???壬?30-40????Σ?
??彺????
?飺?????Ρ???磺???????????????????????????Ｐ????2?C??2ù??3??á?46С??Ρ?Ρ?2??Ч????????

??? ??? ж??彺???????
?? ж ? ??? ?? ?? ?? ?????? Ч? ???? ???嶾?

?Ч?

Ч

???? ???嶾?

?

Щ??????г???Ч?

???????????????????????????????о????????????????С?

磺?????????????????????????????????????飬???

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

??????С??????????????У?????

??????????????????ο????????С??????...

????????????ò??

??????仯??е??????????????????????С?壬??????γá?档???????衢м????????????????λò?????????????????

??????λ?????????鷢?鷿???????????????áС?????????в?????ж?????????????????????÷?????????β????????
???
??и???????硢?????????Ρ??10? 10?50?á?100???20??20??100150?á
???и???ɡ??С?????????????Ρ?
?250...

°??
1.????C?E???á
2.?????С????
3.?????н??á?кз????????????????
4.???м1-2???м???á
5.?鼷??10-30????????????
6.???áкд?C????????????á

?????飬??????вЧ
?????沿???????????С????????????к?????????Χ


?????γ????????л?β????????????ò?????????????????????飬????

??????У???????Щ???????硢???????????????Щ???...