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- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- Zambia is the world's largest exporter of copper. 赞比亚是世界上最大的铜输出国。
- The fusion of copper and zinc make the metal brass. 铜和锌的熔化制成黄铜。
- Thin wires easily melt if they are made of copper. 如果用铜制细导线极易熔化。
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
- Copper oxide is made up of copper and oxygen. 氧化铜是由铜和氧组成的。
- He was hammering the sheet of copper flat. 他正把铜片锤平。
- A vein of copper was seen criopping out. 可以看见一条铜矿矿脉露出地面。
- metallurgy of copper 铜冶金
- The valences of copper are 1 and 2. 铜的化合价是+1价和+2价
- The pedestal of the sculpture is made of copper. 这个雕塑的底座是铜制的。
- In the old days, mirror was made of copper. 在过去镜子是由铜做的。
- An alloy consisting of copper and nickle. 由铜和镍构成的一种合金。
- Pressure Boundary material - metallurgy of the castings and components. 压力材料:铸件和部件的金属性能。
- The price of tin is higher than that of copper. 锡价比铜价高。
- They worked a piece of copper into a tray. 他们把一块铜铸成一个盘子。
- Brazing of copper, copper alloys and steel etc. 钎焊铜及铜合金、钢等。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
