Matched context for sub-system and pfl

The page lists matched contexts for sub-system and pfl.

Share - sub-system	Share - pfl	Phrase
4.20%	14.85%	pressure {sub-system or pfl}
2.12%	13.50%	wheel {sub-system or pfl}
1.07%	21.72%	hydraulic [physical/chemical] {sub-system or pfl}