Steel grain-reinforced pure copper cast composite was gotten successfully by suspension casting process and controlling the cooling rate.
采用悬浮浇铸工艺并控制冷却速度成功地得到了钢颗粒增强纯铜基铸造复合材料。
With a designed elastic cutter bar, we use the vibration cutting method and have produce the cast fiber steadily and successfully.
我们设计了弹性刀杆，采用振动切削的方法，成功稳定地生产出铸铁纤维。
The cast steel parts have been successfully employed in steel structure roofing with large span and area.
该类铸件已成功地应用于大跨度、大面积钢结构屋面。
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