??20ݱϣҪ𡣣
һ(25)
ijpʩOD12ʾýȼOѾ(zhn)ͬ23¡

D12
?
1. ʩOļ㹤Ϊٸ?
2. 㹤BCGrr?
3. CGyK̨ʩеֻܰȺ˳ʩCGͬrʩʩȼO(yng)εr
(25)
ij˾ijW(xu)Уһyʩͬȷ?˾)ʡɷ(W(xu)У)ĽW(xu)ʩ̿а˿棬ӰW(xu){Σ]ֱʹˡʹУW(xu)УW(xu)ҪааΪΜǰʹóаеΡ
?
1йطɷ˭?
2δؘI(y)ǰʹãɷѽаеΣ
3а̵\(yng)У
4ףI(y)y(tng)аַ̿ͨʽ
5Jʩ׃䓽գKҪЩ
(20)
һ˾нʯf\ij20סլܽ2600m2߶66.3mȫṹΪװʱõǿɷֶʽּܣּܵȫװҵԹ̷ְʽԓּܟλСڽнҵʱͻȻλij˨ѣλϵʮ˨̔¥?1mļ֧ż?5mĸ߶ʹڼϺ͵?0ˣһ˴Ӽ?9811ˡ飬˨װ˨ʵʐuغԌܹܵغɣּ峬أ(sh)GԭGɵ2.7ʩֳbʩƷֳ(sh)ʩɳۡ
?
1Ҫ¹ʷԭ
2ش¹ʿɶֵȼش¹ʣʲô
3ش¹ʷ¹ʷλ(yng)24Сr汨棬涨ϱؾbҎ(gu)()(yng)Щ|
4ʩȫжĿι涨?
(30)
ijҔǩ˹̳аͬͬк̣㹤?300m33200m3f(xi)̼?80Ԫ/m3160Ԫ/m3аͬ?
1ǰI(y)(yng)а֧̺ͬ20%A(y)?
2I(y)һwӳа̵Ĺ̿У5%\
3HʏV10%rɽеPϵ0.9
4ÿ{Cͽ25Ԫ
5A(y)ƽ۳
аÿ(sh)xC_ϵĹ11ʾ
11λm3
|
1· |
2· |
3· |
4· |
|
500 |
800 |
800 |
600 |
|
700 |
900 |
800 |
600 |
1ĹA(y)Ƕ٣
21~4ÿ¹̼ۿǶ٣(yng)CĹ̿Ƕ٣(sh)(yng)?zi){CǶ٣
3ܰ^l(f)˲sA(y)ЉΦ?
(20)
ij˾2002416ij3000m2I(y)ʩͬ˾lʩͽȼOf(zhn)ù̵Ļӿ4500 m3ֱӷӖ(xn)4.2Ԫ/ m3ۺ?yn)ֱӷ?xn)20%]ʩ涨̑K̨? m3ķaʩ450Ԫ/_ͬ?11տ520깤ʵʩз¼?
һaޣ2eԱ?0գ
ʩУ㣬ӵ?15ָͣеʔRù15գ
519(zhn)펟520ͬ]?mƱ֪ͨ900 m3
ģ520~522գԴʹӿͣT10գ523ָa529ʩϡ
?
1˾ЩҪ⣬Щ¼Ҫ⣬fԭ
2ÿǶ(Rԏؼ·)GƹǶe?
3˹Ӗ(xn)23Ԫ/գùĹ˹Ӗ(xn)30%ķܶǶ٣
4˾(yng)ṩĊA?