shallowburied ancient channel
degradation of stream channel
sand body of braided stream channel
ancient Chuan River connected with ancient Xia Riv
Ancient city and ancient state
deep-water channel in the north channel
disease of one channel involving another channel
a kind of plant used as a medicinal herb in ancient times
a rubbing from ancient tablets as a model of calligraphy
an ancient Chinese chronological history
an ancient type of spoon
Analysis and research of ancient papers