id	keyword
esrj-72250	fracture
esrj-72250	fractal
esrj-72250	fault
esrj-72250	dimension
esrj-72250	area
esrj-72250	formation
esrj-72250	development
esrj-72250	study
esrj-72250	xujiahe
esrj-72250	reservoir
esrj-72250	yuanba
esrj-72250	distribution
esrj-72250	gas
esrj-72250	central