- 推进器 tuījìnqì propellera mechanical device with rotating blades used to propel a ship or aircraft
- 推进剂 tuījìnjì propellanta chemical substance used to provide thrust for a rocket or other projectile
- 推进舱 tuījìncāng propulsion modulethe section of a spacecraft containing engines, fuel, and electrical power systems; also known as a service module
- 核推进 hétuījìn nuclear propulsion
- 古根罕喷气推进研究中心 Gǔgēnhǎn Pēnqì Tuījìn Yánjiū Zhōngxīn jet propulsion centerGuggenheim Jet Propulsion Center (established in 1943)
- 火箭推进榴弹 huǒjiàntuījìnliúdàn rocket-propelled grenaderocket-propelled grenade (RPG)
- 喷气推进实验室 Pēnqì Tuījìn Shíyànshì Jet Propulsion LaboratoryJet Propulsion Laboratory, a research and development center in Pasadena, California
- 扎实推进 zhāshituījìn advance steadilyto make solid and steady progress in advancing a project or task