Pipefitting
un. 管子配件；管配件；管道鏈接\\n
??? 情景例句
My mother has a touch of the flu.
我媽得流感了。
Practice makes perfect.
熟能生巧。
Up to the time of his death, Richard Colson was one of the most notable figures in our town.
理查德。科爾森生前是我們鎮(zhèn)上最有名望的人之一。