7a) A thrombus may cause sudden closure of the vessel with complete obstruction of the blood flow.
7a) A thrombus may cause sudden closure of the vessel with complete obstruction of the blood flow.
血栓可能会引起血管突然阻塞，造成血流完全中断。
7a) A thrombus may cause sudden closure of the vessel with complete obstruction of the blood flow.
血栓可能会引起血管突然阻塞，造成血流完全中断。