The city was equipped with a drainage system, for a great many claypipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。
2
In America the colonists, too, smoked claypipes, but in the early nineteenth century the "chaw" became popular.
在美国殖民者也用烟管抽烟，但是在十九世纪早期，嚼烟开始流行。
3
This water can be collected in pipes or trenches, or can migrate into the shallow groundwater, which is collected using clay barriers and withdrawal wells.