Terms containing grades of sources of release

Subject	English	French
el.	continuous grade source of release	source de dégagement de degré continu
el.	grades of sources of release	degrés des sources de dégagement
el.	multi-grade source of release	source de dégagement de degré multiple
el.	primary grade source of release	source de dégagement de premier degré
el.	secondary grade source of release	source de dégagement de deuxième degré