词语二次电子抑制管
解释brake field tube
brake field tube〔名词〕制动电场三极管详细»
brake field tube〔名词〕二次电子抑制管详细»
brake field tube〔名词〕制动电场三极管,二次电子抑制管详细»
二次电子抑制管brake field valve详细»