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Zo|ƳɵĹ̽Y(ji)(gu)wԣ
šԽY(ji)(gu)ˮ_ˢoY(ji)(gu)pm(yng)׃wY(ji)(gu)չoooơˮԺãˮ̽Y(ji)ɽ·(wn)ˮ
ǡg(jng)g̎ĵ̼䓽z(jng)PVC/HDPEoںˮ|(zh)׃Ľӭˮ
Mbʩ㣺ˮˮģbɰO(sh)ӋMbɸNΠB؞һw
MȿsڣɶMͬrʩƽˮI(y)
(jng)mã˵î?sh)ʯYԴ
ˡB(ti)h(hun)oʯpgLGɫֲMˮGh(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ٻɽҰݣyʯoyԹɽ¶ڟoˮoʯϵĵ^(q)ۘռϡεضܛضݳɽµضΡÛضһ߅µȡ
b÷Ϫ(jng)YԴٶ·ӿٶĵ|(zh)l͵|(zh)YԴԓ·ε·oO(sh)ӋZo|ʯ\o|oµO(sh)Ӌԓ·ɽwZo|ʩҪ^Hʩ^ЃHZo|O(sh)Ӌʯ\o|oδMʩAΣڴҲHBZo|O(sh)ӋҪcʩҪc
Zo|O(sh)ӋӋ
1Ӌº㷽ʽȡã
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
͓ԣ֮gIJǶȵڦбȺˮƽ֮gĽǶȞ_ʼÕrбȞAʽ棬O(sh)_ʼÕrăAбɏēƉıˮƽγɵĽǶȦ@ʾ
Zo|䓽zW(wng)мӹ̽Y(ji)(gu)ЧĿ(yng)죬ړ_ܵӽY(ji)(gu)ķ(wn)Lɳ^ĸ߶ȡ