Small-angle X-ray scattering(SAXS)was used to characterize the particle size distribution of nano-tungsten powders and ultrafine tungsten powders.是什么意思_Small-angle X-ray scattering(SAXS)was used to characterize the particle size distribution of nano-tungsten powders and ultrafine tungsten powders.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句