echo integrator回声: echo; bounce back; reverbera ...积分器: integrator积分器: integrator◇积分器轮 integrator wheel积分器；积分仪: integrator立体声积分放大器: stereo integrated amplifier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:回声积分器，即可在微信中查询翻译
