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}vwh(hun)Ƽ˾
ءַKʡ}(zhn)I(y)@^(q)7̖(ho)S
(lin)ϵˣʩ(jng)
֡C(j)13805108525
늡Ԓ051568815655
棺051588663955
]䣺tfkjhb@163.com
W(wng)ַnwidhhc.com
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mô |
2021-7-13 xΔ(sh)[825] |
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mô?
m3ֽMɣ
1O(sh)䱾wY(ji)(gu)ָwijm˿mڮa(chn)
2Vָ(li)Vۉmr(sh)Vϵs50150Pa
3VۉmӵۉmӵsɃV510
^(gu)V߀Ӌ(j)Vmk(li)^(gu)VĽֵmwY(ji)(gu)S^(gu)VL(fng)ٵ߶ZҸNͬС(li)eIJmͬyijһ_(d)ʽM(jn)Ӌ(j)
ўV渽ķۉmӵ^(gu)Vô^(gu)VɰʽӋ(j)㣺
P=(A+B)VM
ʽ P^(gu)VPaAۉm^(gu)Vϵ(sh)BVϵ(sh)V^(gu)Vٶm/minMVϵ(sh)
һ^(gu)VL(fng)ٞ0.5~3m/minr(sh)ww50~500Pa֮gڿ]wY(ji)(gu)r(sh)(yng)ͬr(sh)]һă(ch)
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