n.闭塞；梗塞；咬合
Ambient Occlusion is defaulted to "disabled". 环境闭塞是预设为“禁用”。
Blood flow was allowed to return to baseline before the next occlusion was begun. 在开始下一次梗塞前让血流回复到基础状态。
The result showed an excellent occlusion. 治疗结果能达到不错的咬合。
