holding gun

• 保持电子枪,维持枪

holding gun的用法和样例：

例句

1. This paper introduces the idea of multi Electron Gun Matix Technology that can make CRT thinner.
   本文粗略地介绍了采用多电子枪阵列技术使显像管薄形化的方案。
2. We make an electron gun which consists of a tungsten wire heated by an electric current.
   我们制造了一把电子枪，它包括一根用电流加热的钨丝。