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3.1
. ^7 d) T* X" L5 N, F% ^small parts
# V" f3 `' |; L' o. v, }# n2 s+ gparts, 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.
' Q' t# h8 v, K# nNOTE When checking a surface, projections on the surface and holes which are not greater than 2 mm on the
( d; M( {+ m( w4 h+ elargest dimensions are disregarded.
9 z5 Y. {0 ?; J/ ]1 E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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