英语词汇counting head是什么意思，counting head的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	counting head
释义	counting head　计数管头
随便看	parabolic parabolic antenna parabolic antenna parabolic antenna parabolic approximation parabolic arch parabolic chord parabolic chord truss parabolic collineation parabolic condenser parabolic coordinates parabolic current parabolic curve parabolic curve parabolic cusp parabolic cylinder parabolic cylindrical surface parabolic dish parabolic flight parabolic folium parabolic geometry parabolic girder parabolic governor parabolic grade parabolic homology

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