copper
例句与用法
- Nitric acid bites copper .
硝酸能腐蚀铜。 - Copper is also employed in the alkaline bemberg rayon process .
铜也用在碱性本姆伯人造丝生产中。 - By oxidation-reduction reaction, copper is cemented into the iron .
经氧化还原反应,铜渗入铁中。 - The silver coinage was repeatedly debased with copper vellon .
银币一再用铜币维隆来替代,实行贬值。 - Zinc base die castings are always copper plated in cyanide baths .
锌基合金的压铸件总是在氰化镀液中镀铜。 - Possibly they first found native copper and hammered it into shape .
可能他们最初找到的是生铜,把它锤击成形。 - The contact area between clamp and terminal is either silver or copper .
夹头和电极之间的接触面是银的或铜的。 - Are copper coins legal tender for a sum in excess of 10 pounds?
超过十镑的数目可以用铜币作为法定货币来偿付吗? - The antiseptic properties of copper sulphate have never been questioned .
硫酸铜具有防腐性,这是不曾有过问题的。 - In addition to copper , there are many other metals which are good conductors .
除了铜,还有很多其它金属都是良导体。
用"copper"造句