层次推进式教学模式
progressive push teaching mode
双速—定距桨推进系统
two speed fixed pitch propellerpropelling system
aeroplex固态推进剂
aeroplex solid propellants
Cs盐复合推进剂
composite propellant containing Cs salt
GAP低特征信号推进剂
GAP low signature propellant
GAP贫氧推进剂
GAP low-oxygen propellants
HTPB复合固体推进剂
HTPB composite propellant
HTPB composite solid propellants
HTPB composite solid propellant
Hydroxyle terminated polybutadiene propellant
HTPB复合推进剂
HTPB composite propellant
HTPB-based composite propellant