Maintenance switching
[计] 维护轮换
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
I was in the smoking section.
我原本坐在吸烟车厢的。
Hey, man, good to see you.
嗨，幸会。
Some devices were quite simple.
有些装置非常简单。