字典網>> 英漢字典>> S開頭詞條>>secondary-emission tube的意思 漢英字典secondary-emission tube中文翻譯：【電】 二次發射管secondary-emission tube相關詞條：secondary organizer secondary elaboration secondary extinctive reflex secondary nitroparaffin secondary credit secondary amyloidosis secondary adhesion secondary hydatid secondary battery secondary conditioned reflex