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- Deposition of copper pyrite 含铜黄铁矿
- The study on the deposition of copper, nickel, and tin is important for understanding the aluminum anodizing and electrolytic coloring mechanism. 摘要了解着色膜中铜、镍、锡的沉积情况，是研究铝阳极氧化电解着色机理的前提。
- Today, two systems are used commercially: one is for the deposition of copper by means of formaldehyde as the reducer and another of nickel using either boranates or hypophosphite as reducer. 目前,在塑料上化学沉积金属已经取得工业应用的体系有2种,一种是以甲醛为还原剂的化学镀铜,另一种是硼氰化钾或次磷酸盐为还原剂的化学镀镍。
- 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 public container for deposit of outgoing mail. 邮筒为存放外寄信件而设的公用盒箱
- The Katanga region of Congo has some of the world's best deposits of copper and cobalt. 刚果的加丹加地区拥有一些全球储量最丰富的铜矿和钴矿。
- Large deposits of copper are mined in Peru and Zaire,diamonds are mined in South Africa,and petroleum is recovered in the Middle East. 大量的铜矿开采集中在爱秘鲁和扎伊尔，钻石则在南非，石油则是在中东地区。
- Found in deposits of copper ore, malachite gets its name from the Greek word for its leafy green color, which can range from light to dark green. 发现在沉淀的铜矿，孔雀石得名从希腊单词因其绿色叶状的颜色，这可以从光线暗绿色。
- A thick deposit of mud lay on the fields when the flood went down. 洪水退後，田野上留下一层厚泥。
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- The deposition of fat may be general or local. 脂肪的沉积可以是全身性的，或者是局部性。
- A deposit of eight pounds clinched the bargain. 8英镑完全办妥了这笔交易。
- 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。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- I am afraid we have to ask for a deposit of$200. 我们得预收200元定金。
- Thin wires easily melt if they are made of copper. 如果用铜制细导线极易熔化。
- A deposit of five dollars clinched the bargain. 5美元定金敲定了这笔交易。
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
