单词	bottleneck road
释义	bottleneck road 瓶颈路段
随便看	phase modulation. phase modulation phase modulation carrier telegraph phase-modulation communication system phase-modulation constant phase modulation detector phase-modulation detector phase-modulation element phase-modulation envelop phase modulation generator phase modulation index phase modulation operation phase modulation,PM phase-modulation receiver phase modulation recording phase modulations phase modulation system phase modulation transmitter phase-modulation transmitter phase-modulation wave phase modulator phase modulators phase monitor phase motion phase multiplier 脙脚脜脝脞脟脠脡脢脤四部四部合唱四配四重唱四重奏四野四金刚四门六亲四隅四面