1.
assist-climb rocket engine
爬升助推火箭发动机
2.
hybrid propellant rocket engine
混合推进剂火箭发动机
3.
dual thrust rocket engine
双级推力火箭发动机
4.
They would be built from shuttle booster rockets， fuel tanks and main engines， as well as moon rocket engines.
新型运载火箭将由飞船助推火箭、料箱、发动机以及月球火箭发动机组成。
5.
The liquids employed for rocket propulsion are called propergols.
用于火箭发动机的液体称为液体火箭推进剂。
6.
forward force produced by a propeller,jet engine,rocket,etc
（推进器、喷气发动机、火箭等的）推力.
7.
bipropellant liquid rocket motor
二元推进剂液体火箭发动机
8.
Rocket motors have many advantages over other forms of propulsion.
火箭发动机比其他推进器有许多优点。
9.
bipropellant rocket
双元液体推进剂火箭发动机
10.
reverse the thrust of the rocket motors
使火箭发动机产生逆向推力
11.
Research and Development of the Thrust Vector Measuring System for Rocket Motor;
火箭发动机推力矢量测试系统的研制
12.
Research on Working Process of Pasty Propellant Rocket Motor
膏体推进剂火箭发动机工作过程研究
13.
A Study of the Synchronism of Double Solid Boosting Rockets Applied to UAV
无人机双发固体火箭助推器同步性研究
14.
Investigation of GO_2/kerosene thrust chamber of the main rocket engine for the RBCC propulsion system
RBCC推进系统主火箭发动机气氧/煤油推力室研究
15.
Effect of temperature on small thrust motormeasuring system
小推力火箭发动机推力测试系统温度影响研究
16.
Development of Thrust Generator for Small-force Dynamic Testing of Rocket Motor;
火箭发动机小力值动态测试推力发生装置研制
17.
The rockets give the planes and missiles enoughspeed to make the ramjet engine workable.
这种助推火箭为飞机和导弹提供足够的速度，以使冲压式喷气发动机可以开动工作。
18.
Rocket motor has many advantages over other forms of propulsion.
火箭的发动机比其它推动器有许多优点