The technics process of the double-aluminium foil for filling and heat-sealing packing machine was analysed, and the control system was designed.
本文对双铝箔自动填充热封包装机工艺过程进行了分析，对控制系统进行了设计。
2
Results show that the ammonia and nitrogen adsorption amount of packing is affected by the kinds, service time, filling mode and filling position.
结果表明填料的氨氮吸附量受填料的种类、使用时间、填充方式和填充位置的影响。
3
Through the study of packing and filling characteristics of aggregate, the dosages of coarse and fine aggregate and filling were calculated for aggregate of skeleton denseness asphalt mixture.