Matched context for extraction and recirculation

The page lists matched contexts for extraction and recirculation.

Share - extraction	Share - recirculation	Phrase
1.36%	10.69%	gas {extraction or recirculation}
3.14%	4.01%	{extraction or recirculation} zone
1.14%	5.09%	{extraction or recirculation} conduit
0.64%	4.25%	{extraction or recirculation} system
1.24%	0.73%	{extraction or recirculation} circuit
1.05%	0.82%	{extraction or recirculation} control
0.70%	0.78%	{extraction or recirculation} flow
0.62%	1.18%	{extraction or recirculation} means
0.89%	0.38%	{extraction or recirculation} unit
0.78%	0.10%	engine {extraction or recirculation}
0.94%	0.11%	include {extraction or recirculation} [perform operation]
1.91%	0.12%	oil {extraction or recirculation}