片语
solid rocket propulsion technology固体推进技术
Rocket Propulsion Elements火箭推进原理
rocket-propulsion locomotive火箭车
aircraft rocket propulsion system飞机火箭推进系统
rocket propulsion system火箭推动系统
rocket nuclear propulsion reactor火箭推进用堆
rocket-propulsion efficiency火箭推进效率
rocket propulsion technology火箭推进技术
electric railway rocket propulsion电火箭推进
jet propulsion[航] 喷射推进
rocket t propulsion火箭推进