bandpass filterpass filter带: belt; girdle; ribbon; band; ...通: open up or clear out by poki ...滤: filter; strain光: light; ray器: implement; utensil; ware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:带通滤光器，即可在微信中查询翻译
