Assertion: trombone's valve | /r/HasProperty | depressed
Facets:
value: in combination with another one
type: OTHER
Source sentences:
text: Alternative slide positions are available when valves are depressed.
text: When the third (or fourth) valve is depressed in combination with another one, the air is routed through both the usual set of tubing plus the extra one, so that the pitch is lowered by an appropriate amount.