tr管的英文

tr tube

• tr:    Tr(s) ＝troops.
• 管:    pipe; tube
• 预-tr管:    pre-tr tube

例句与用法

1. Rules for the preparation of detail specifications for gas filled microwave switching tubes of assessed quality : tunable and broadband tr tubes and tr limiters - full assessment level
   经质量评估的充气式微波开关详细规范的制定规则.可调谐和宽带tr管与tr限幅器.全部评估级