Matched context for stratum and mixture

The page lists matched contexts for stratum and mixture.

Share - stratum	Share - mixture	Phrase
20.79%	9.74%	air-fuel {stratum or mixture}
4.80%	0.85%	air {stratum or mixture}
6.16%	0.52%	form {stratum or mixture} [perform operation]
3.54%	0.18%	{stratum or mixture} [does] contain