Tr tube
[电] TR管
🧩 词语组成解析
[计] 磁带记录器, 磁道, 磁带驻留, 故障报告
🗣️ 情景例句
It's important to her.
这对她来说很重要。
How many pieces are you going to take?
你要拿几支？
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？