id	keyword
ajst-30244	place
ajst-30244	salt
ajst-30244	names
ajst-30244	place names
ajst-30244	zigong
ajst-30244	research
ajst-30244	industry
ajst-30244	distribution
ajst-30244	geography
ajst-30244	salt place
ajst-30244	brine
ajst-30244	study
ajst-30244	system