Compared to traditional heavy metal waste water treatment method, using low-cost adsorption material in the field of treatment of heavy metal becomes the subject of current research focus.
相比传统的重金属废水处理方法，利用廉价吸附材料处理重金属受到研究者亲睐，成为当前研究的主题。
The large grinding machine specifications and other heavy-duty, precision equipment on the current closed guide the application of static pressure and the method of installation and debugging.
介绍了大规格磨齿机和其他重型、精密设备上恒流闭式静压导轨的应用、计算方法及调试安装。
This paper presents a method of measuring heavy d. c. current and energy in the rectifier system with the magnetic potentiometer.
本文提出了采用磁位计测量整流系统直流大电流和电能的方法。
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