A processing plan of progressive die stamping for chain element was established according to the shape, dimensions of the part and requirements for production.
根据链节零件的形状、尺寸及其生产要求,制定了级进模冲压成形工艺方案。
It is produced from radium in the decay chain of uranium, an element found in varying amounts in all rocks and soil.
它产生于铀衰变链中的镭,而铀是所有岩石和土壤中都能找到的一种元素,含量各不相同。
When an element of the requirements chain changes, all the trace relationships are marked as suspect, as shown in Figure 28.
当需求链的某个元素发生变化时,所有的跟踪关系都会标记成可疑,如图28所示。
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