Maintenance subsystem
[计] 维护子系统
🧩 词语组成解析
subsystem
['sʌbˌsɪstəm]
n. 子系统，分系统;
🗣️ 情景例句
A surprise?
一个惊喜吗？
I will be seeing him in a few days from now.
我将在几天后见到他。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。