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ءַKʡ}(zhn)I(y)@^(q)7̖S
(lin)ϵˣʩ(jng)
֡C13805108525
늡Ԓ051568815655
棺051588663955
]䣺tfkjhb@163.com
W(wng)ַm.jgje.net
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2021-7-13 xΔ(sh)[885] |
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m3ֽMɣ
1O䱾wY(ji)(gu)ָwijm˿mڮa(chn)
2VָVۉmrVϵs50150Pa
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ўV渽ķۉmӵ^Vô^VɰʽӋ㣺
P=(A+B)VM
ʽ P^VPaAۉm^Vϵ(sh)BVϵ(sh)V^Vٶm/minMVϵ(sh)
һ^VLٞ0.5~3m/minrww50~500Pa֮gڿ]wY(ji)(gu)rͬr]һă
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