channel filter信道: channel; route; chain滤波器: electric filter; wave filter ...带通信道滤波器: bandpass channel filter选择信道滤波器: selective channel filter波道滤波器: channel 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:信道滤波器，即可在微信中查询翻译
