dragbarn.(挂在矿车后的)斜井矿车防坠杆ragbagn.装破布的袋ragboltn.[机]棘螺栓RAGBRefractories Association of Great Britain 英国耐火材料协会NgaragbaNgaragba Prison in Bangui (capital of the Central African Republic) 班吉（中非共和国首都）监狱Ragbani拉格巴尼RPRAGBRubber and Plastics Research Association of Great Britain 英国橡胶塑料研究协会