转动送进筒feed through: 引线,馈入装置;连接线。 spool: n. 1.【纺织;印染】有边筒子,轴线,线管,线板,线框 ...feed-through spool: 转动送进盘管; 转动送进筒feed spool: 供带盘; 供片轴; 供线轴; 输带轴; 喂丝筒子film feed spool: 供片盘下载手机词典可随时随地查词查翻译