All punch and die sections must be doweled with a minimum of two dowel pin per section. These sections shall be of a one piece construction. Dies and punch holders made of multiple pieces and bolted together shall not beused without prior approval. 1 X; O% A& C+ w3 ~( j: x- p9 A* d+ r& r- B0 C5 Q5 H" M
Help. ) Q) |9 A" T- X+ A2 q1 G0 pThanks very much. 5 I# |* \! [3 K2 p' z, C( f( y1 J# R W% z: c. d* b# {
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很显然,句子的意思跟你文章的主题和前后语境有着紧密的联系,下面是鄙人根据字面的意思翻译,仅供参考: 7 F' A- o1 B7 [/ g, F' F- a8 f 所有冲床和冲模部件必须用定位销连接定位,这些部件只是结构的一部分.冲床和冲模的台座是由多个部件组成的,在没有被优先确认的情况下是不能使用的.