钨精矿的英文：
tungsten concentrate

tungsten是什么意思：
n. 钨,钨锰铁矿,金属元素

The vital part of the incandescent electric lamp is the tungsten wire inside the bulb
白炽电灯的关键部分是灯泡里的钨丝。

We make an electron gun which consists of a tungsten wire heated by an electric current
我们制造了一把电子枪，它包括一根用电流加热的钨丝。

This film type can also be used in tungsten or fluorescent lighting if a suitable filter is put in front of the lens or light source.
在丝灯或荧光灯下摄影也可以，但要在镜头上或灯光前加上适当的滤色片

Edison's efforts to invent an electric light bulb did not pan out until he used tungsten wires.
爱迪生发明电灯泡的努力直到使用钨丝才获得成功。

Raw and Auxiliary materials: iron powder, copper powder, tungsten powder, tungsten-carbide powder, stainless (high-speed) steel powder, magnetic material, ceramic material, nanophase material and other metal powders and alloy powders.
原辅材料类：铁粉、铜粉、钨粉、碳化钨粉、不锈（高速）钢粉、磁性材料、陶瓷材料和钠米材料及其它元素金属粉末及合金牌号的粉末等。

concentrate是什么意思：
v. 集中；聚集；全神贯注；浓缩；富集
n. 浓缩；浓缩物

concentrate troops at a strategic point
集中兵力于战略重点

Samarium europium gadolinium concentrate
GB/T8751-1988钐铕钆富集物

Ansar Concentration (detention) Camp
安萨尔集中（拘留）营

Industrial development is concentrated in the Northeast.
工业发展集中在东北地区。

It consists of a pair of concentric cylinder.
它由一对同轴的圆筒组成。