trebleadj.三倍的;最高音部的;三重的v.(使)成三倍n.三倍;最高音部
treble ported slide valve三通闸阀
treble riveted butt joint三行铆钉对接
treble cut-off frequency三重遮断频率
treble attenuation circuit高音衰减电路
treble/bass/alto clef高音[低音/中音]谱号.
treble frequency loudspeaker高音扬声器
treble-slot resonant window三隙缝谐振窗
treble-tone perceptive hearing loss高频感音性聋