Pipefitting
un. 管子配件；管配件；管道链接\\n
🗣️ 情景例句
I'm calling for your assistance.
我打电话是要您帮助我。
I ought to not bother him any more.
我应该不要打扰他了。
They were also quite sure that a cigarette end did not start the fire.
他们还十分肯定火灾也不是由烟头引起的。