Pipefitting
un. 管子配件；管配件；管道链接\\n
🗣️ 情景例句
She sure keeps busy.
她真的是忙个不停。
I had thought he knew the time of the meeting.
我原以为他知道开会时间。
That's OK. Can I borrow it, please?
没关系，我能借用一下吗？