1)booster to equip,助推装置2)auxiliary propulsion plant,辅助推进装置3)Boost power plant,模拟助推装置4)The pneumatic push negative step force calibration device,气动助推式校准装置5)rocket assisted take off gear (ratog),火箭助推起飞装置6)magnetic assist,磁性助推装置，助磁(单稳整极化继电器)
用法例句
For resolving to roadheader lange-angle work to push forward into the machine produce the problem of fall,design a kind of using for roadheader langeangle work into the machine of booster to equip device,discussing should help to push to equip of constitute,work principle,design project.
