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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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A, Y, \6 a8 f% v$ u [url]http://cr4.globalspec.com/thread/51795 [/url]
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ASME Y14.5-2009:1 m) G/ c8 @6 ?1 A/ W& Y) z
1.6.2 Decimal Inch Dimensioning! m' V( w# W( J5 l/ G5 L7 O
The following shall be observed where specifying decimal inch dimensions on drawings:
u* z( G! I6 [1 U1 ?/ U9 D(a) A zero is not used before the decimal point for values less than 1 in., @0 w* [$ i# m( n! V% b
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But, on the other hand .........) x5 _1 w# D9 z# I) x
1.6.1 Millimeter Dimensioning
8 a- C: C3 |7 L$ J5 ?. n9 dThe following shall be observed where specifying millimeter dimensions on drawings:
s" w& _+ ?. @(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.- f* d! d7 I$ J: `! X3 ~+ o
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发表于 2010-3-13 16:06:59
