抗返流引流袋
Anti-regurgitation drainage pack
骶前静脉丛
Presacral venous hemorrhage
presacral veniplex
presacral venous plexus
骶前静脉丛出血
Hemorrhage of anterior saeral verms plexus
presacral venous plexus hemorrhage
骶前孔
Anteriora sacralia foramina
anterior sacral foramina
骶前良性肿瘤
Toxic liver disease with acute hepatitis
骶前纵韧带
the anterior longitudinal ligament of sacral vertebrae
不满足向前引用
unsatisfied forward reference