采用德国洪堡公司的RP80/25型高压辊磨机对梅山选矿厂细碎产品进行了半工业试验，研究了能耗、水分、通过量及循环负荷等因素对辊压效果的影响。
The semi-industrial test on fine products by Meishan Dressing Plant was carried out with the RP80/25 type high pressure roller mill produced by Homburg Corporation of Germany.
生态型排水系统是指遵循自然生态系统和工业生态系统的原则、符合物质闭环流动循环的经济模式。
Ecological drainage system is referred to following the principles of natural and industrial ecologic system and cycling economic pattern with which substances cycle with closed loop.
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