casting process selection的意思|示意

Various efficient ways used to improve the service life of casting roller were introduced, including materials and mechanical properties selection, manufacture proceed and process control.

介绍了延长铸轧辊使用寿命所采取的材质和机械性能选择、制造过程、装配精度，车磨使用制度及生产过程工艺控制等方面的控制途径。

This paper describes selection of process in casting plant and main smelting equipment for zinc smelter in case the product mix has been changed and gives comparison between several types of furnace.

介绍工厂在锌产品结构发生变化的情况下所进行的工艺流程选择及主要冶炼设备的选型等情况，并对几种炉型进行比较。