| 1. | Copper conducts electricity better than other materials do . 铜的导电性能比其他材料好。 |
| 2. | The government was obliged to suspend foreign copper shipments . 政府不得不暂停铜的外运。 |
| 3. | The price of copper collapsed . 铜的价钱暴跌。 |
| 4. | The contact area between clamp and terminal is either silver or copper . 夹头和电极之间的接触面是银的或铜的。 |
| 5. | It was a sea of molten copper, shining, so that the eyes were dazzled . 这是一片熔铜的海洋,光彩夺目,令人眼花缭乱。 |
| 6. | Brazing of aluminum and aluminum-base alloys is accomplished with the aluminum-silicon brazing alloys . 铝和铝基合金的铜焊是用铝硅铜的合金来完成的。 |
| 7. | In this work, the copper binding capacity of several complexing agents of known stability constants was determined . 在这一工作中,测定了几种已知稳定常数的络合剂对铜的束缚能力。 |
| 8. | Standard guide for electroforming with nickel and copper 含镍和铜的电铸标准指南 |
| 9. | Methods for chemical analysis of electrolytic cathode copper 电解阴极铜的化学分析方法 |
| 10. | Copper conducts electricity better than other materials do 铜的导电性能比其他材料好 |