Matched context for passing and recirculation

The page lists matched contexts for passing and recirculation.

Share - passing	Share - recirculation	Phrase
2.35%	12.53%	exhaust [physical/chemical] {passing or recirculation}
2.35%	10.69%	gas {passing or recirculation}
0.48%	3.99%	{passing or recirculation} rate
1.63%	0.74%	fuel {passing or recirculation}
0.19%	0.78%	{passing or recirculation} flow
0.54%	0.16%	{passing or recirculation} through valve
3.54%	0.10%	air {passing or recirculation}
0.86%	1.00%	amount {passing or recirculation}
0.33%	1.41%	control {passing or recirculation} [perform operation]
0.38%	0.13%	flame [color] {passing or recirculation}
1.32%	0.24%	flow {passing or recirculation}
0.24%	0.07%	have {passing or recirculation} [perform operation]
0.78%	0.35%	mixture {passing or recirculation}
0.53%	0.12%	oil {passing or recirculation}
0.27%	0.12%	portion {passing or recirculation}
0.34%	0.24%	quantity {passing or recirculation}