With the increasing of pressure of gasgenerator under less injector number and expansion ratio, combustion efficiency increase.
在喷嘴数目较少和扩张比较小时，增加燃气发生器工作压强补燃效率增加。
2
Gel propellant is a new kind of propellant for rocket propulsion and other gasgenerator.
胶体推进剂是火箭推进和其它燃气发生器的新型待选推进剂。
3
As control force source, the solid propellant gasgenerator was used to exert lateral force for the end control and the turn of vertical launching of missiles.