obstructionn.障碍;妨碍;闭塞;违例阻挡
Obstruction by angulation角形成致梗阻
obstruction of protection保护障碍
obstruction-eliminating开闭法
Obstruction of responding应激障碍
obstruction free flow area有效流动截面
Obstruction by bony pelvis骨性骨盆造成梗阻
Obstruction of gallbladder胆囊梗阻
obstruction to distribution影响灭火剂应用的障碍物
obstruction of central vein中央静脉阻塞
obstruction of pulmonary qi肺气不宣