id	keyword
ajst-28809	flow
ajst-28809	pressure
ajst-28809	pressure difference
ajst-28809	fluid
ajst-28809	measurement
ajst-28809	flow velocity
ajst-28809	drilling
ajst-28809	flow rate
ajst-28809	pipe
ajst-28809	figure
ajst-28809	diaphragm
ajst-28809	pulsating
ajst-28809	pump
ajst-28809	viscosity
ajst-28809	data