blockages的例句（blockages在句子中的用法）

• Blockages can calls head tax cause heart attacks or strokes. 血栓可以引发心脏病或是中风.
• The storms could increase the risks posed by river blockages. 暴风雨会增加因河道堵塞所造成的危险.
• An angiogram shows the location and severity of blockages in blood vessels. 冠状动脉造影能够显示血管内的阻塞位置以及阻塞的严重程度.