The rolling experiment with lead as blank material is made in D51-160A hot ring rolling mill and the qualified pre-rolled ring of conical ring with inner steps is rolled.
采用铅环件试样在D51- 160A热轧环机上进行轧制实验，轧制出了合格的内台阶锥形环件预轧制环件。
The deflector, also called as deviator, is a specialized tool which is used to lead milling tool to mill the one side of casing to form a window .
导斜器也叫斜向器或造斜器。它是引导磨铣工具从一侧磨铣套铣管形成窗口的专用工具。
Methods With the lead-removing rate as an index, the ratio of mungbean powder, Lycium chinensis Mill powder, jujube powder and licorice powder was optimized by an orthogonal test.
方法采用正交试验，以排铅率为指标，优选绿豆粉、枸杞粉、大枣粉、甘草粉的用量。
The negative grading phenomena will lead to abnormal operation of the mill, and the fineness could hardly be controlled.
研磨体的反分级现象导致磨机不能正常生产，细度难以控制。
The negative grading phenomena will lead to abnormal operation of the mill, and the fineness could hardly be controlled.
研磨体的反分级现象导致磨机不能正常生产，细度难以控制。
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