ferrotungsten的音标：ferrotungsten的英式发音音标为：[ferəʊ'tʌŋstən]ferrotungsten的美式发音音标为：[feroʊ'tʌŋstən]...

Tungsten is classified among the metals.钨归入金属类.A glass or quartz tube has tungsten electrodes sealed in each end.两根钨丝电极是封在玻璃管或石英管的两端.The tungsten shines and gives a good light.钨丝发亮而射出耀眼的光芒....

tungsten的音标：tungsten的英式发音音标为：['tʌŋstən]tungsten的美式发音音标为：['tʌŋstən]...

The circumstances of making high - grade ferrotungsten by alumino - silico - thermic process are described.本文介绍了铝硅热法生产高钨铁的工艺研究情况,讨论了一些工艺条件对冶炼的影响....

tungsten filaments钨丝A new method for seam tracking using image centroid in gas tungsten arc welding is presented.研究一种基于图像质心识别的电弧焊焊缝跟踪新方法.Tungsten has the highest dian of all metals: 3400 centigrade.钨在所有金属中具有最高的熔点,达到了3400...

n.铁钨（合金）...

n.钨...