???
??(??)???λ???.???,?,汻м?,в???.,???Що???,???,?ο?.
????:
1.??????,?,汻м?.???λ?,?в;
2.?÷??,ü,,?,,,???μ,?,?,???????λ;
3.???????;
4.????1,???,?,ü估??,????,л.
??:
1.÷??,???????;?м?,??;
2.?÷??????λ,?,漰?;
3.,鲻???.
?????
?,?: 1.?B2,B6??B; 2.?,??; 3.??Χ???????.
4,?:????,,?,?.
????
1.???B?.?,?1-2?鰷?;
2.???????????;
3.?????磺???????κ.
???Σ????,??,????,??,???????.
??????,?,,????й,??,????,??,?????,?°??,???.
????:
1.??????,?,汻м?.???λ?,?в;
2.?÷??,ü,,?,,,???μ,?,?,???????λ;
3.???????;
4.????1,???,?,ü估??,????,л.
??:
1.÷??,???????;?м?,??;
2.?÷??????λ,?,漰?;
3.,鲻???.
?????
?,?: 1.?B2,B6??B; 2.?,??; 3.??Χ???????.
4,?:????,,?,?.
????
1.???B?.?,?1-2?鰷?;
2.???????????;
3.?????磺???????κ.
???Σ????,??,????,??,???????.
??????,?,,????й,??,????,??,?????,?°??,???.
“???” 的相关文章
??
??? ????
?????????????Щ??????????
??
?B? ?3Ρ?B??????????
?E ?400Iu??????
?F ???й
????
??????е????С???????к??á???????31???е??????3???????????????ΧС??????????????Χ??к??????л???????????????????е??????????θ????????Ч?á
??? С()????????????
??????????????
??????????
???????????????????
?????????????Щ??????????
??
?B? ?3Ρ?B??????????
?E ?400Iu??????
?F ???й
????
??????е????С???????к??á???????31???е??????3???????????????ΧС??????????????Χ??к??????л???????????????????е??????????θ????????Ч?á
??? С()????????????
??????????????
??????????
???????????????????
?????
????????????????????????? ???????????Σ???Э?á
1绯?????????????????????????????????????
2?????л?????????;?????????о???????????
??????ɡ??
???κβλ????÷?桢????С???λ???;?÷??С???鷿????,????й?????岥??鼰????ò?
?????(1)??????????Σ??????
(2)????????(??)???????????Ρ????????????
(3)?????о??(??)?????а??? ???о????λ?????...
1绯?????????????????????????????????????
2?????л?????????;?????????о???????????
??????ɡ??
???κβλ????÷?桢????С???λ???;?÷??С???鷿????,????й?????岥??鼰????ò?
?????(1)??????????Σ??????
(2)????????(??)???????????Ρ????????????
(3)?????о??(??)?????а??? ???о????λ?????...
??
???????????????????
??????????????????в????????????????????ú沿??е?ú????
????С????(?)????????????
????????б?á??÷ù??????????????????????????????????????????о????С??????????С????á
Σ??????????????????24С?????С?з?1???????????????????????????????????C????????
?????λ????????
???
1?????????Щ??????????...
??????????????????в????????????????????ú沿??е?ú????
????С????(?)????????????
????????б?á??÷ù??????????????????????????????????????????о????С??????????С????á
Σ??????????????????24С?????С?з?1???????????????????????????????????C????????
?????λ????????
???
1?????????Щ??????????...
???
??????壬????ξ?缲
1100?40?75?500
÷????10????3Ρ
Ч?1?Ч?100
2??50??35?ɡ?25?0.5??1000?
÷????????????1Ρ???
Ч?510ΣЧ?100
????
?????????????÷?????????????????????????????????????????
??
1???????????????仯????
2θ?????????????
3???????涣?????????
???
1???У????????С????λΣ?й??????????????????????????????...
1100?40?75?500
÷????10????3Ρ
Ч?1?Ч?100
2??50??35?ɡ?25?0.5??1000?
÷????????????1Ρ???
Ч?510ΣЧ?100
????
?????????????÷?????????????????????????????????????????
??
1???????????????仯????
2θ?????????????
3???????涣?????????
???
1???У????????С????λΣ?й??????????????????????????????...
????
???:1.?C0.1?2?,?3ο?.2.??B,?2?,?3.3.?5?
?2?,?3.4.????25?2-3.?????.
?κ,?,?Щ?е?:?,?,????,??.
?? ??????
??? :
???????15?12??10???6???10??3??3飬ü?600??3η??1~2?
???50?30??70?400н??????????34????
??Ρ?????30???????1??3Σ??20????
????20?15??10?8?15?15??15?30???壩15???壩15??10??10???1硢?????иá
?
????
?www.yxb...
?2?,?3.4.????25?2-3.?????.
?κ,?,?Щ?е?:?,?,????,??.
?? ??????
??? :
???????15?12??10???6???10??3??3飬ü?600??3η??1~2?
???50?30??70?400н??????????34????
??Ρ?????30???????1??3Σ??20????
????20?15??10?8?15?15??15?30???壩15???壩15??10??10???1硢?????иá
?
????
?www.yxb...