Pre-tr tube
[电] 预-TR管
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
[计] 磁带记录器, 磁道, 磁带驻留, 故障报告
🗣️ 情景例句
May I speak to Miss Wang?
我可以和王小姐讲话吗？
It's been cloudy all morning.
整个早上多云。
In many countries, more and more companies are replacing people with computers.
在许多国家有越来越多的公司使用电子计算机来代替人。