There would be no the beautiful gold, silver copper, iron and tin.
世上不会有鲜花一样的金银铜铁锡。
Silver and copper help to get off the dirt in the dark.
银和铜有助于清除黑暗中的污垢。
Thus, copper, silver, and gold can be placed.
因此，铜、银和金可以置于金属的一个族。
The most important ores treated at that time were those of copper, iron and silver.
那时处理的最重要的矿石事铜矿、铁矿和银矿。
A remedy to the weak silver images by copper physical development is introduced.
介绍了用铜物理显影方法挽救微弱银影像的技术。
Silver is known to be better than copper in conductivity.
大家知道银的导电性比铜好。
More valuable COINS appear sooner. Gold, Silver and Copper COINS appear in the path.
更多更早地出现贵重硬币。金、硬、铜币出现在路径上。
He wanted to plate copper with silver.
他想给铜容器镀银。
Hidden underground is a wealth of gold, silver, copper, lead and zinc.
地下埋藏着大量的金，银，铜，铅和锌。
Both copper and silver are good conductors of electricity.
铜和银都是电的良导体。
The four main industries are tungsten, rare earth, copper and silver tin.
主导产业有，钨业、稀土业、铜业和银锡业四大产业。
Copper and silver are both metals.
铜和银都是金属。
Copper and silver are both metals.
铜和银都是金属。
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