id	keyword
esrj-61633	acid
esrj-61633	coal
esrj-61633	fracturing
esrj-61633	qinshui
esrj-61633	methane
esrj-61633	basin
esrj-61633	minerals
esrj-61633	carbonate
esrj-61633	reservoir
esrj-61633	gas
esrj-61633	fracture
esrj-61633	cbm
esrj-61633	pad