关于propellent的百科

• propellent造句怎么写

• Inthispaper,newwagonwheelgrainconfigurationhasbeensuggestedinordertoimproverocket'sconcentrationandpropellentloadingdensity.Inthispaper,thefuelgasandpropellentsystemof"insite"PelletinjectorusedinbeforehandexperimentandPelletfuelingexperimentinHL-1...
• 2021-12-1612295