Carbon nanotubes(CNTs)were prepared from acetylene at 923 K with Ni as catalysts by chemical vapor deposition(CVD).是什么意思_Carbon nanotubes(CNTs)were prepared from acetylene at 923 K with Ni as catalysts by chemical vapor deposition(CVD).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句