The stock management of the raw material, iron scale, in magnetic materials production is described.

介绍磁性材料生产中原材料铁鳞的库存管理控制方法。

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So what caused such a powerful, scale breaking magnetic blast to our mother Earth?

那么是什么引起如此威力巨大，破坏我们地球母亲的磁场呢？

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So what caused such a powerful, scale breaking magnetic blast to our mother Earth?

那么是什么引起如此威力巨大，破坏我们地球母亲的磁场呢？

youdao