您要查找的是不是：
- Raw mine of copper 铜矿
- He's mine of information about insects. 他在昆虫方面有着渊博的知识。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- My neighbor is a mine of information about history. 我的一位邻居历史知识十分渊博。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- A good encyclopaedia is a mine of information. 一部好的百科全书是一座知识宝库。
- My grandmother is a mine of information about our family's history. 我的祖母是我们家史的资料库。
- 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。
- This guidebook is a mine of information. 这本旅行指南是资料的丰富来源。
- 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。
- So,also,in the case of a mine of precious stones. 宝石采掘业的情况也是如此。
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
- the mining of copper in central Africa 中部非洲的铜矿开采业
- Dagushan Iron Mine of Angang Mine Co. 鞍钢矿山公司大孤山铁矿。
- Copper oxide is made up of copper and oxygen. 氧化铜是由铜和氧组成的。
- A useful trade is a mine of gold. 一样有用的手艺是取之不尽的财富。
- Have you received mine of the fifth? 你收到我五号的信了吗?
- He was hammering the sheet of copper flat. 他正把铜片锤平。
