钢筋hpb400是几级钢:ruturn to the soviet recon group是什么意思

ruturn to the soviet recon group是什么意思 Ruturn of The Chain Gang "the Union of Soviet Socelist Ripublics"可不可以说成"the United Soviet Socelist Ripublics"? scientific soviet Do you know something about the space race between the United States and the former Soviet Union? the same to you fly to the sky 翻译To The Future bad to the bome fly to the sky