plumbing

We had to call a professional because there was a major leak in the kitchen plumbing.

(Chinese) 我们不得不请专业人士来，因为厨房的管道系统发生了严重的漏水。

Modern plumbing is essential for maintaining hygiene and sanitation in large cities.

(Chinese) 现代管道系统对于维持大城市的卫生和公共环境至关重要。