id	keyword
brj-23670	ginkgo nut
brj-23670	coefficient
brj-23670	friction
brj-23670	angle
brj-23670	test
brj-23670	nuts
brj-23670	et al
brj-23670	stacking
brj-23670	friction coefficient
brj-23670	model
brj-23670	plate
brj-23670	liu
brj-23670	parameters
brj-23670	simulation
brj-23670	doi