英语词汇pentagrid怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pentagrid
释义	pentagrid 英/ ?pent?ɡr?d / 简明释义 n.七极管；五栅管网络释义短语 1 pentagrid tube 七极管 ; 五栅管 2 pentagrid converter 五栅管变频器 ; 五栅变频管 ; 五栅变频器 ; 五栅转换器 3 pentagrid valve 五栅管 ; 七极管双语例句 1 The ion energy and the density of beam flux of cold cathode ion source were measured by pentagrid probing and Faraday cup. 采用五栅网离子能量测量装置和法拉第筒测量了宽束冷阴极离子源的离子能量和离子束流密度。
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