holding gun的用法和樣例：
例句
- This paper introduces the idea of multi Electron Gun Matix Technology that can make CRT thinner.
本文粗略地介紹了采用多電子槍陣列技術(shù)使顯像管薄形化的方案。 - We make an electron gun which consists of a tungsten wire heated by an electric current.
我們制造了一把電子槍?zhuān)ㄒ桓秒娏骷訜岬逆u絲。
