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- Standard Specification for Copper Trolley Wire 电车架空线用铜线
- Bare copper wire and copper trolley line 裸铜线及铜电车线
- Copper trolley and contract wire 铜接触线
- Diaoquan silver copper ore deposit is a large scale subvolcanic type deposit with gold as by product. 刁泉银铜矿是一个伴生金的大型次火山岩型矿床。
- Suitable for cutting metal，such as structural steelrefractory steel，castiron，gold ，silver，copper，aluminium. 用途;适合切割碳素结构钢、铸铁及金、银、铜、铝、等金属材料。
- At the Athens Paralympic Game, he arrogates to oneself a three metals silver copper, has started the dawn luck storm in the world sports world. 在雅典残奥会上，他一人独揽三金一银一铜，在世界体坛掀起了“晓福风暴”。
- The Diaoquan silver copper deposit,a large sized deposit recently discovered in northeastern Shanxi,occurs in the skarn zone around a neck facies complex rock body. 刁泉大型银铜矿床产于由黑云母石英二长岩、花岗斑岩、石英斑岩等组成的复式岩体的夕卡岩带中，矿化呈环带状展布。
- Next to silver copper is the best conductor of electricity. To have its highest conductivity the copper must be pure, and more than half of the pure copper produced is used in the electrical industry. 铜是仅次于银的最良导电体。铜必须提纯才可获得最好的导电性能。生产出的纯铜一半以上都用于电气工业。
- steel and aluminium trolley wire 钢铝电车线
- New Technology for Producing Ag-Cu Trolley Wire 银铜合金接触线新工艺的研究
- Standard Specification for Bronze Trolley Wire 青铜制电车架空线
- Keywords Silver Copper Recovery Sodium hexametaphosphate; 银;铜;回收率;六偏磷酸钠;
- Keywords Minor element;Lend Zinc Silver Copper;Lancang; 微量元素;铅锌铜银;澜沧;
- Development of Contact Wire (Trolley Wire) for Electric Traction in China 中国电力牵引用接触线(电车线)的发展
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- The craftsman plated copper with silver. 工匠给铜镀银。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- They have some sterling silver cutlery. 他们有一些标准纯银餐具。
- He put the candle on the silver candlestick. 他把蜡烛放在银烛台上。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
