单词	energy of laser
释义	energy of laser 激光能量
随便看	sound amplification sound-amplification sound amplification and intercom equipme sound amplification requirement Sound Amplification System sound and visual fire indicator sound animation sound ankylosis sound amplifieation system sound amplifier sound amplifier, non-electric sound amplifying sound amplifying equipment sound amplifying system Sound amplifying system in halls sound amplitude sound amplitude transmission coefficient sound an alarm sound analogy sound analyser sound analysis sound analysis data sound analysor sound analyze sound analyzer