Matched context for reciprocation and stem

The page lists matched contexts for reciprocation and stem.

Share - reciprocation	Share - stem	Phrase
2.06%	15.32%	valve {reciprocation or stem}
8.22%	0.35%	piston {reciprocation or stem}
0.80%	0.24%	{reciprocation or stem} axis
1.16%	0.16%	{reciprocation or stem} [does] open
1.19%	0.17%	axial [direction] {reciprocation or stem}
1.04%	0.20%	cause {reciprocation or stem} [perform operation]
0.37%	0.21%	member {reciprocation or stem}
2.35%	0.20%	plunger {reciprocation or stem}