“填塞物”用英语怎么说？

厚厚的棉花填塞物紧紧围住装在盒子中的贵重花瓶.Thick cotton padding embedded the precious vase in its box.结果显效36例, 有效17例, 仅2例于术后1年填塞物脱出,经治疗亦好转.Results 36 cases were significantly effective , 17 cases effective, and only 2 cases with stuffing pr...