double-section filtertwo section filtertwo-mesh filtertwo-section filter双: two; twin; both; dual节: joint; knob; node滤波器: electric filter; wave filter ...t节滤波器: tee section filter; tee-section filterπ 节滤波器: pi section 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:双节滤波器，即可在微信中查询翻译
