The paper present the new developments of Ni-W coat, Ni-W-B coat, tungsten composite coat and tungsten brush coat etc.是什么意思_The paper present the new developments of Ni-W coat, Ni-W-B coat, tungsten composite coat and tungsten brush coat etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句