Pipeworks
(pipework 的复数) 管道工程管（组）
🗣️ 情景例句
He is making good progress after his operation.
他动过手术后病情大为好转。
Do you often study history on Saturday?
你常常在星期六学历史吗？
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。