yóu / kè / zài / bó / wù / guǎn / lǐ / liǎo / jiě / le / kǎn / r / jǐng / de / jiàn / zào / fāng / fǎ游客在博物馆里了解了坎儿井的建造方法。Visitors learned about how karez canals were built in the museum.