obstructionn.障碍;妨碍;闭塞;违例阻挡
obstruction cocycle障碍闭上链
obstruction-guardn.排障器;护栏
obstruction by slime粘液化
obstruction analysis障碍分析
obstruction obstacle拦障类障碍物
obstruction handling障碍处理
obstruction of colon结肠梗阻
Obstruction of hymen处女膜梗阻
Obstruction Jaundice梗阻性黄疸
obstruction of larynx喉梗阻