Matched context for block off and vent

The page lists matched contexts for block off and vent.

Share - block off	Share - vent	Phrase
4.30%	4.68%	{block off or vent} chamber [perform operation]
4.06%	1.79%	valve [does] {block off or vent}
6.15%	0.94%	{block off or vent} port [perform operation]
2.68%	1.94%	{block off or vent} pressure [perform operation]
3.29%	1.07%	{block off or vent} cylinder [perform operation]
2.60%	0.62%	{block off or vent} passage [perform operation]
1.15%	1.21%	means [does] {block off or vent}
1.80%	0.37%	{block off or vent} end [perform operation]
3.72%	0.13%	{block off or vent} flow [perform operation]
2.24%	0.37%	{block off or vent} modal can
1.87%	0.15%	member [does] {block off or vent}
2.19%	0.40%	position [does] {block off or vent}