communications satellite造句
31. Pyongyang says it will fire what it communication communications satellite into space in within days.
32. Communications satellite helps the human a lot in many ways.
33. In mid-February, North Korea said it was preparing to launch a communications satellite and it later announced a launch plan for April 4-8.
34. China on early Monday morning launched a communications satellite for Nigeria.
35. What is the reaction forceaction force of exerted by the earth on an orbiting communications satellite?
12