wide-band improvement宽频带: broadband改善: improve; ameliorate; perfect ...宽带改善: wideband improvement频带改变: band shift宽频带: broadband◇宽频带开关管 broad band tr tube; 宽频带器件 wide frequency band device; 宽频带示波器 wide band oscilloscope tube; 宽频带振荡器 wide band oscillate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:宽频带改善，即可在微信中查询翻译
