“堵塞物”用英语怎么说？

为去除咽喉里的堵塞物,她不得不接受手术.She had to have surgery to remove an obstruction from her throat.合理的治疗方法就是清除堵塞物。The logical treatment is to remove this blockage.及时消除管道堵塞物.Six , timely elimination of pipeline plugging material....