趣英语 / 查找:x” [共找到1条结果]
  • x造句

    Bone mineral density ( BMD ) at lumbar spine, femoral neck, trochanter and Ward's triangle were measured by dual - energy X - ray absorptiometry ( DEXA ) .应用双能 X 线骨密度仪 ( DEXA ) 测定股骨 、 腰椎等部位的 骨密度.Objective : To analy...