tungsten copper

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.

...resources like coal, tungsten, oil and copper...

煤、钨、石油和铜之类的资源

The eastern Guangdongprovince is metallogenic region of tin, tungsten, silver, iron, copper, lead, zinc, molybdenum deposits.

粤东地区是锡 、 钨 、 银 、 铁 、 铜 、 铅 、 锌 、 钼等金属元素的成矿区.

Additionally, the relations between the component distribution and thermal stresses of four-layer and five-layer tungsten/ copper FGMs with equal layer thickness are also analyzed.

对于四层、五层结构的W-Cu梯度材料，分析了各层等厚结构时的成分分布与热应力的关系。

Solidcircuit breaker This production is that copper-tungsten and copper bar as one through casting sintering.

本产品采用烧结熔铸的方法将粉末冶金铜钨合金与铜棒融为一体.