Pipefitting
un. 管子配件；管配件；管道链接\\n
🗣️ 情景例句
Do you frequently surf the net?
你经常上网吗？
We are very interested in your printed pure silk scarves, could you give us some idea about your price?
我们对贵方的印花真丝围巾很感兴趣，请介绍一下贵方的价格好吗？
To his astonishment, the bee began to perform a dance on the surface of the honeycomb.
冯·弗里施就透过玻璃进行观察。