选择性栓塞物包括明胶海绵颗粒 、 聚乙烯醇和不锈钢螺圈.Selectie deliery of substances including gelfoam particles, polyvinyl alcohol , and stainless steel coils achieethe easel....

“螺圈”的英语可以翻译为：helicoidal ...

“螺圈”的拼音为：luó quān...