释义 |
copper and copper alloy 基本例句 铜及铜合金 A process and formula for gold imitated coloring ofcopper and copper alloyby cathodic reduction were advanced in detail.详细介绍了一种铜及铜合金阴极还原着仿金色工艺及其配方。 The performance and application in related industrial equipment ofcopper and copper alloywiling oil are reviewed in this paper.介绍了研制的铜及铜合金轧制油的性能及在四辊可逆轧机上的使用情况。 |