Pipefitting
un. 管子配件；管配件；管道链接\\n
🗣️ 情景例句
Do you hear something?
你听到什么了吗？
It is not the gay coat that makes the gentleman.
君子在德不在衣。
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。