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- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- And all can run on copper or fiber-optic cable. 所有这些均可在铜线或光缆上运行。
- Do you know which is heavier copper or silver? 你知道铜和银哪个重?
- An ancient Roman coin of copper or copper alloy. 阿斯古罗马一种铜硬币或铜。
- Corymbosa best to use copper or hammering. 最好使用铜棒或铜锤进行锤击。
- A coin, usually of small denomination, made of copper or a copper alloy. 铜币用铜或铜的合金制成的硬币，通常为小面值
- In ancient times the rulers ran copper or silver into coins. 古时候统治者把铜或银铸成钱币。
- Which is the most conductive: iron, copper or silver ? 铁、铜和银，哪种传导性最好?
- Which is the most conductive: iron,copper or silver ? 铁、铜和银，哪种传导性最好?
- Which is the most conductive: iron, copper or silver? 铁、铜和银，哪种传导性最好?
- Aquatint:It is an etching process on copper or steel by means of nitric acid. 水彩色调:用硝酸在钢片或铜片上作腐蚀的蚀刻法。
- An opaque or semitranslucent brown glass flecked with small metallic particles,often of copper or chromic oxide. 金星玻璃一种不透明或半透明的棕色玻璃，掺有小的金属颗粒，通常为铜或氧化铬
- A large copper or brass hemispherical drum with a parchment head that can be tuned by adjusting the tension. 定音鼓一种大的半球形红铜或黄铜鼓，面为羊皮纸，能通过调整拉力调音
- An opaque or semitranslucent brown glass flecked with small metallic particles, often of copper or chromic oxide. 金星玻璃一种不透明或半透明的棕色玻璃，掺有小的金属颗粒，通常为铜或氧化铬
- The in-place bacterial leaching of stored copper ores in goave is a new technology of resource comprehensive recovery. 采空区存窿铜矿石就地细菌浸出技术是一项新的资源回收综合技术。
- LUGS WITH COPPER OR ALUMINIUM FLATS AND WITH CONDUCTING COATING FOR ALUMINIUM CONDUCTORS. REQUIREMENTS AND DIMENSIONS. 铝导线用带导电镀层的有铝片或铜片的接头。规则和尺寸。
- AC anodizing technology with decreasing voltage for aluminium alloys Containing copper or silicon and affecting factors were investigated. 较详细地介绍了采用降压后的交流电市电对含铜或含硅的铝合金的阳极氧化方法和影响因素。
- A method of engraving a copper or steel plate by scraping and burnishing areas to produce effects of light and shadow. 网线铜（或钢）版雕刻法通过擦刮、打磨制造光影效果的铜或钢版雕刻方法
- A soft, ductile, steel-white, tarnish-resistant, metallic element occurring naturally with platinum, especially in gold, nickel, and copper ores. 钯一种柔软的，易拉长的，银白色的，保持光泽的金属性元素，常与铂共生，尤其在金、镍和铜矿中存在。
- The outer copper or metallic braid in coaxial cable comprises half the electric circuit. 同轴电缆中的外包铜质或金属辫网组成一半的电路。
