id	keyword
brj-22603	bamboo
brj-22603	charcoal
brj-22603	bamboo charcoal
brj-22603	content
brj-22603	mean
brj-22603	species
brj-22603	kiln
brj-22603	section
brj-22603	culm
brj-22603	vulgaris
brj-22603	carbonization
brj-22603	asper
brj-22603	middle
brj-22603	doi