Matched context for double-acting and piston-cylinder

The page lists matched contexts for double-acting and piston-cylinder.

Share - double-acting	Share - piston-cylinder	Phrase
11.59%	51.68%	{double-acting or piston-cylinder} unit
2.68%	26.01%	{double-acting or piston-cylinder} assembly
4.33%	3.37%	{double-acting or piston-cylinder} engine
2.35%	2.04%	{double-acting or piston-cylinder} means