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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
/ T! `4 D! b1 b8 m6 `1 Z另外:N1 = 0.025um, ~ I( U& E7 W" T" c
) i: ]2 {* @3 O( K9 G9 ~N2 = 0.05um
) q' d) t d) P
$ W7 c- Y9 b8 t( T JN3 = 0.1um( z+ l$ `1 p5 l: S1 @$ F- v; @
: {- J; r- o' c& N! M1 _5 U+ TN4 = 0.2um, F3 v B, g h( [
1 {, T/ B6 n, v# V: A1 KN5 = 0.4um1 ?0 n5 v2 U: [+ o4 g k
5 F! B; \4 m; j! Y# P4 t4 _N7 = 1.6um
/ |; Z! H" _6 A5 r( q. a8 T
+ M4 A- y& ?) t$ Z' H' x9 [* h3 WN8 = 3.2um
+ G; u! ]. B: D1 j: t
) ^; g0 q. H" Z+ ^N9 = 6.3um |
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