The phase analysis of nanometer WS2 lubricating crystal is made with XRD and the diffraction patterns of WS2 single phase are observed.是什么意思_The phase analysis of nanometer WS2 lubricating crystal is made with XRD and the diffraction patterns of WS2 single phase are observed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句