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- 功率级LEDhigh power LED
- 功率power
- 在混响室里用工程方法测定噪声源声功率级Engineering methods for the determination of sound power levels of noise sources in a special reverberation test room
- 根据声音强度测定噪声源声功率级的工程方法Engineering method for the determination of sound power levels of noise sources using sound intensity
- 级联connection
- 校级field rank
- 额定功率power rating
- 英语四级English Band 4
- 功率因数power factor (PF)
- 大学英语四级College English Band 4
- 电机功率power of motor
- 一级的firstlevel
- 功率放大器station amplifier
- 船级ship' classification
- 最大功率ultimate output
- 三级片third-grade film
- 总功率gross power
- 无级stepless
- 输入功率input power
- 级配graduation