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3.1% T. w& G. w0 Y# Q8 o& P& u7 X9 L
small parts& t# a& ]+ }" N
parts, where each surface lies completely within a circle of 15 mm diameter or where some of the surface lies outside the 15 mm diameter circle but in such a way that it is not possible to place a circle of 8 mm diameter on any of this remaining surface.% X# k/ p. Q A
NOTE When checking a surface, projections on the surface and holes which are not greater than 2 mm on the7 S) k d1 l4 Q4 T) ~" r
largest dimensions are disregarded.
$ y- e+ s1 G, T3 L以上是英文原文,用的是lay(lies)放置,并不是展开。国标翻译的也太随便了。我们可以理解这个表面可以放置或投影在标准圆上来判断。 |
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