[化学 冶金] 交互式过滤装置 filtering element: 滤芯; 滤心filter with removable filtering element: 带活动滤心的过滤器integral filtering element: 细滤器滤芯; 整体式滤芯woven cotton filtering element: 棉布滤芯concentrated multiple trace element: 浓缩的多种微量元素下载手机词典可随时随地查词查翻译