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发表于 2010-3-13 14:03:25
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来自: 中国江苏常州
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[url]http://cr4.globalspec.com/thread/51795 [/url]
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ASME Y14.5-2009:
9 x6 T1 c3 z& ]' M1.6.2 Decimal Inch Dimensioning' O, p, I: W/ x
The following shall be observed where specifying decimal inch dimensions on drawings:
8 o; ]; c# J4 p7 }(a) A zero is not used before the decimal point for values less than 1 in.
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But, on the other hand .........
1 _& E. G) M1 b' p( i1.6.1 Millimeter Dimensioning7 s( V- ?% ]4 ~9 e; y' p2 l5 T
The following shall be observed where specifying millimeter dimensions on drawings:
9 T3 N% ~" _5 k% K( ^. A. Q6 @" m2 r(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.; _' |- B& U4 a* _7 o
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