電子束管內(nèi)導(dǎo)電石墨乳 colloidal graphite: 膠態(tài)石墨; 膠體石墨; 膠質(zhì)石墨; 人造石墨乳潤滑劑graphite cathode: 石墨陰極graphite coating: 石墨敷層; 石墨涂層colloidal graphite for fibre gla: 玻纖涂膜石墨乳colloidal graphite for fibre glass: 玻纖涂膜石墨乳下載手機(jī)詞典可隨時隨地查詞查翻譯