The sin of Juda is written with a pen of iron, with the point of a diamond, it is graven upon the table of their heart, upon the horns of their altars.
犹大的罪是用铁笔记录下来的，用钻石尖刻在他们的心坎上和他们的祭坛角上。
The main products are Diamond Needle Files, Flat Files, Mounted Points, Wheels, Cutting Blades, Saw Blades, Mental Pen, Natural Diamond Wheel Blade, Diamond Grinding Paste etc.
主要产品有金刚石什锦锉，大扳锉，磨针，磨头，砂轮，切割片，锯片，金属笔，天然金刚石砂轮刀，研磨膏等。
On analyzing the features of applying gray relation to fault diagnosis, a gray relation principle was applied to identify diamond-pen blunt level on the dressing process of grinding wheel.
基于灰色关联度应用于故障诊断的特点分析，将灰色关联理论应用到磨削加工领域，利用灰色关联度分析方法对砂轮修整过程中的金刚笔钝化状态进行识别。
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