The preparation of WO 3 thin films has been reported using a sol gel process together with the dip coating method, and tungsten powder being the raw material.是什么意思_The preparation of WO 3 thin films has been reported using a sol gel process together with the dip coating method, and tungsten powder being the raw material.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句