obstructv.阻隔；妨碍；阻塞obstructed root canal阻塞根管Obstructive lymphedema阻塞性淋巴水肿obstructive congestion阻塞性充血obstruct explode shell隔爆外壳Obstructive/am ther连续气道正压通气obstructive nephrogram梗阻性肾造影(照)片obstructed nasal sound鼻齆； 鼻聋； 齆鼻obstructing performance阻隔性能Obstructive cholangitis梗阻性胆管炎obstructive nephropathy梗阻性肾病