Based on the processing flow of Dashihe separation mill, using spiral sluice, the possibility of obtaining final concentrate under coarse primary grinding is searched for.
探索大石河选厂在生产流程的基础上，应用螺旋溜槽，获取粗磨后最终精矿的可能性。
The primary use was elevating water for agriculture, but they were also commonly used to turn millstones for grinding rice and wheat.
最开始主要是应用于农业灌溉，后来渐渐的应用于带动磨石碾米和小麦。
The screening technology is a primary way to insure high yield and super fineness of fine grinding mill. But it is mainly used in the obstructing equipment in the chamber of fine grinding mill.
采用磨内筛分技术是保证高细磨的高产量与高细度的主要技术措施，但主要使用在高细磨各粉磨仓的隔仓装置上。
The optimal style and primary parameters of the machine tool structure were determined after investigations on most foreign grinding machine tools had been carried out.
首先，充分调查国外现有的数控磨床结构，确定机床的最佳结构形式及主要结构参数；
The primary and secondary sequence of these removal fashions depend on the grinding parameters.
其主次顺序取决于磨削工艺参数。
I participated in the grinding a job of this the item, work of the aspect such as design, development and debugging etc of primary cognizance software system.
我参加了该项目的研发工作，主要负责软件系统的设计、开发和调试等方面的工作。
A new type of structure-high speed internal grinding spindler head with hydrostatic and hydrodynamic bearing and its working theory of the structure and primary calculations have been expounded.
本文主要论述一种新型结构形式——动静压轴承高速内圆磨头的工作原理及主要设计计算。
Result: the primary factor which influenced the extraction rate was grinding degree, then it was time of distillation, solid-liquid ratio and soaking time.
结果：影响挥发油得率的主要因素为粉碎度，其次为蒸馏时间和料液比，最后为浸泡时间。
The experimental study on the re-grinding of primary concentrate has been conducted through the investigation and analysis on the process to recover iron concentrate from tailings of ore dressing.
通过对选铁尾矿中回收铁精矿的工艺考查、分析，进行了粗精矿再磨工艺的试验。
The experimental study on the re-grinding of primary concentrate has been conducted through the investigation and analysis on the process to recover iron concentrate from tailings of ore dressing.
通过对选铁尾矿中回收铁精矿的工艺考查、分析，进行了粗精矿再磨工艺的试验。
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