1) reclamation of old material
旧料再生
2) cold recycling of old materials
旧料冷再生利用
3) used sand reclamation
旧砂再生
1.
According to the current study of used sand reclamation and its develop ment, new viewpoints of selecting the methods and equipments of used sand reclamation are expounded.
根据旧砂再生研究和发展的现状，阐述了选择旧砂再生工艺方法及设备的新观点。
4) sand reclamation
旧砂再生
1.
Based on the analysis of the process of sand reclamation by way of centrifugal friction,the dynamic calculation on sand movement is made,and the system of sand reclamation by friction with the help of striking is presented.
在分析离心摩擦式旧砂再生过程的基础上，对砂子的运动作了动力学计算，得出了以摩擦为主、撞击为辅的再生产方式的结论。
6) old sand recycling
旧砂再生
1.
In this paper, problems of old sand recycling in the process of gummy sand and water glass sand were discussed; old sand forming mechanism, process of old sand recycling and application of the equipment set were analyzed.
针对日趋发展的树脂砂、水玻璃砂工艺中旧砂再生回用的有关问题进行探讨;分析旧砂形成机理、旧砂再生工艺和成套设备的应用。
2.
Prevention on foundry sand waste pollution was introduced from the aspects of old sand recycling,waste sand resources utilization,and the development and utilization of environment protection type of the binder used for casting.
从旧砂再生利用、废砂的资源化利用以及开发和利用环保型铸造用粘结剂等方面介绍了铸造废砂污染的防治。
补充资料：料料窕窕
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参考词条