chain filter链式: chain滤波器: electric filter; wave filter ...蝶式滤波器: butterfly filter复式滤波器: composite wave filter幻式滤波器: magic filter下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:链式滤波器，即可在微信中查询翻译
