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发表于 2007-11-17 18:01:00
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来自: 中国湖北武汉
N6等于Ra0.8# b L5 ]* e4 F! B; n$ h
另外:N1 = 0.025um
! u9 [: T2 m9 Q9 B" J1 K+ ]4 p" h) g
N2 = 0.05um+ e* ]0 j8 Y1 b
6 @6 h6 F% X( Y" [
N3 = 0.1um
?4 V& A# f3 G$ L. v/ \0 [1 \' f2 F# e7 J4 f
N4 = 0.2um% b) z& p3 u+ f- |7 Z, I
/ L+ S5 R$ |# VN5 = 0.4um
[9 `8 R! U* z; r! _. j7 S- ?. A. c: y# q5 x( V( v0 O H
N7 = 1.6um0 P2 H, }/ D# P# D! F
* m5 f* O' Z U
N8 = 3.2um) V1 S+ D& u2 M0 |* h1 G3 J, z7 y
6 i: K5 `5 \0 T, C V1 bN9 = 6.3um |
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