抗返流引流袋
Anti-regurgitation drainage pack
骶前静脉丛
presacral venous plexus
presacral veniplex
Presacral venous hemorrhage
骶前静脉丛出血
presacral venous plexus hemorrhage
Hemorrhage of anterior saeral verms plexus
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