【化】 reflux ratio
circumfluence; refluence
【化】 back flow; circulation reflux; contra-flow; flow-back; reflux
refluxing
【医】 backflow; palirrhea; reflux reflextonus; refluxing; regurgitation
return; return current
compare; compete; ratio; than
【医】 proportion; ratio
【经】 Benelux; benelux customs union; benelux economic union