distributed feedback laser分布: distribute; spread; scatter; ...反馈: feedback; couple back; retro ...型: mould; model激光器: laser; optical maser; laser ...分布反馈型: dfb-ld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:分布反馈型激光器，即可在微信中查询翻译
