jet_engine 英语 名词 jet engine（复数 jet engines） 喷气发动机衍生词汇 派生词 fanjet jet turbine pulsejet ramjet scramjet turbojet 相关词汇 相关词 duct engine gas turbine jet propulsion pulse detonation engine turbofan turboprop turboshaft 参见 piston engine rocket engine rotary engine
