Pipework
管道工程管（组）
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
I will go to the beach.
我将去海边。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，