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Zo|ƳɵĹ̽Y(ji)(gu)wԣ
šԽY(ji)(gu)ˮ_ˢoY(ji)(gu)pm(yng)׃wY(ji)(gu)չoooˮԺãˮ̽Y(ji)ɽ·(wn)ˮ֣
g(jng)g̎ĵ̼䓽z(jng)ãPVC/HDPEoںˮ|(zh)׃Ľӭˮ
ȡMbʩ㣺ˮˮģbɰO(sh)ӋMbɸNΠB؞һw
MȿsڣɶMͬrʩƽˮI(y)
(jng)mã˵î?sh)ʯYԴ
B(ti)h(hun)oʯpgLGɫֲMˮ֡Gh(hun)Ҫ
mڽ콭Ӻ·F·Vɽˮȹ̵o¡oˮ̽Y(ji)ֿ_ˢ֮(yu)cm׃ε|(zh)Û|(zh)Լֲ֏(f)߀ԭB(ti)Ϳp(zi)ȹ̽Y(ji)(gu)һЩضҲȞm磺ٻɽҰyʯoyԹɽ¶Ρڟoˮ늣oʯϵĵ^(q)ۘռϡεضܛضΡݳɽµضÛضһ߅µ
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Zo|O(sh)ӋӋ
1Ӌº㷽ʽȡ
삐ʽӋʯ\r*˹ʽШƽ⮔l
һƽஔ(wn)@ĦgõĽY(ji)
ճӋ㷽ʽ飺Sa=1/2tH2Kad=h/3
ճӋ㷽ʽ飺Su=1/2tH2Ka-2cH
Kaϵ(sh)
2Zo|Y(ji)(gu)cP(gun)ϵ
PoľdSadֵt׃?yu)?/span>Sa=1/2tHKa1+2Po/rtd=HH+3Po/t
͓֮gIJǶȵڦףбȺˮƽ֮gĽǶȞ_ʼÕrбȞAʽO(sh)_ʼÕrăAбɏēƉıˮƽγɵĽǶȦ@ʾ
Zo|䓽zW(wng)мӹ̽Y(ji)(gu)ЧĿ(yng)ړ_ܵӽY(ji)(gu)ķ(wn)Lɳ^ĸ߶