Rach拉什Raabbr.[化]元素镭（radium）的符号Rauwolfia alkaloid萝芙木生物碱rachitis atrophica[医] 萎缩性佝偻病, 消瘦性佝偻病Rao River Gaoqiang饶河高腔rachialbuminimeter脑脊液白蛋白定量器ravity-feed pipe重力自流进料管Rahnella aquatilis水拉恩菌ravity-feed line重力自流进料管rachitis deformans畸形性脊柱炎Raoyang depression饶阳凹陷raking-out joint捋出缝