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30
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GB/T699-88
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5 H4 @2 t8 p) n8 Z* A
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0.50-0.80 $ I/ O3 o8 K# d$ j1 N( }: W
8 ~" z+ J: ~7 N6 E9 {0 p K
| : I, g4 m1 _/ z3 j: J. r; Z
＜0.040
9 {/ \9 g* d. s9 k; h, z( w/ N# c, ^% o7 t' c; S
| 2 n2 n( t- ?/ `/ h
＜0.040! \) @- G' W& }
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＜0.25
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8 [6 e2 x' [- J, @1 t | * _4 f% q# M8 R- _) ^- ~, H
＜0.25
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+ s: |2 X7 L7 ~& z/ _
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0.15-0.35
2 {7 k! P: h/ g G! c6 U
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7 Q( {+ ] b# @+ A$ E. A" i& B0.60-0.90 , u" [) i/ h1 T
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|
8 D+ O, s! [9 @＜ 0.030
, B- x4 ^! C$ V+ v& m
+ f: y% }' C0 R1 D: t | 6 K9 D3 V. C8 I2 V( i* U. m, M( E
＜0.0351 F% m% Z$ v; R8 `
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4 ^6 w X* \# i/ m! c* l＜0.20; j. {$ ?- n4 T9 ~) E7 j
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6 j' c7 b% J/ z L) u6 u9 w- _, B＜0.20
, p2 u0 y; l: u* h. W* W. Y' i# A
| 3 {2 z( o& c/ K) h0 c, _6 H
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! r2 Z. v4 C3 d% X: N% M- a* r1 M; q0.60-0.90 7 _' V% e9 z4 u8 ~( B% m( T9 D0 B
) T; V1 H9 J W; I/ {5 [ |
# |0 d# f3 K* e3 j9 }) V; d＜ 0.030* h( j- q* Q; b( n2 M" I
1 Z; S" H1 F& o# w
|
' c: F N0 I/ D' ]＜0.035
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4 V% Q( w, b2 U' O7 b% K1 C6 e＜0.20! `. l9 g/ |# B3 `
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1 ^0 e) P3 _# r5 g" o: v: f/ Z＜0.20
+ N/ h! L' y" h. a" T5 z# c! R$ N. ?* W R1 \5 S* a
|
. A. G4 L8 @0 Z4 r% a$ ?＜0.30' z9 k8 M' n# _" b6 T J( x
2 |- A# c; I5 y |
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发表于 2009-4-17 18:11:18
发表于 2009-4-17 18:28:19
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