This article concentrates on creating various feeds for use with DB2 databases.
本文主要讨论如何创建各种使用DB 2数据库的feed。
A process of acid leaching under pressure of polymetallic sulphide flotation concentrates and various influence factors on leaching is studied.
研究了多金属硫化矿浮选精矿加压酸浸过程及各种因素对浸出的影响。
The various factors which effect pellet productivity and quality were systematically analyzed based on the pelletizing process with E-Kou Min self-mined concentrates.
结合峨口铁矿采用自产铁精矿制取球团矿的工艺流程， 系统地分析了影响球团矿产质量的各种因素。
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