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(dng)ǰλ(y) > a(chn)Ʒ > ˮϵ >

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y(c)ԇ(sh)(j)

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y(c)ԇ(sh)(j)

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1.38kg/m3

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20-85m/h

ܶ

60-80kg/m3

d

6-10kg/m3

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3000m2/m3

30-40mmҎ(gu)ɼӹ

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96

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