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
Would you mind showing me your showroom?
您可以带我参观一下展室吗？
The lumberjack sweats as he cuts down a tree.
伐木工人边砍树边擦汗。
Foreign countries can send their programmes to the other side of the world.
外国一些国家能把它们的节目传送到中国。