常見例句I bought an amplifier yesterday. 我昨天買了一個(gè)擴(kuò)音器。The hydro craft floated over the water. 水翼艇在水麪漂流。A gradual change in the output of a circuit or amplifier. 逐漸改變電路或放大器輸出功率的逐漸改變Soon after, Norsk Hydro said it was bowing out. 不久，海德魯就宣佈退出。Output from the inverting oscillator amplifier. 內(nèi)部反曏振蕩放大器的輸出。I am majored in audio frequency amplifier. 我主脩音頻放大器。 返回 hydro-amplifier