Circuit sectionalizer
[电] 区分器
🧩 词语组成解析
分段隔离开关
🗣️ 情景例句
What'll it be?
想来点什么？
If you don't aim high you will never hit high.
不立大志，难攀高峰。
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了，他知道他有生命危险。