Resojet propulsion and Ram-jet propulsion

Ram-jet propulsion and resojet propulsion are semantically related in propulsion by jet discharge topic. In some cases you can use "Ram-jet propulsion" instead a noun phrase "Resojet propulsion".

Resojet propulsion and ram-jet propulsion are semantically related in propulsion by jet discharge topic. You can use "Resojet propulsion" instead a noun phrase "Ram-jet propulsion".