scale stepsound levelstep音: sound级: level; rank; grade语音级: ethernet100vganylan oice grade) 100vganylanan噪音级: noise level舱内噪音级: cabin noise level下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:音级,即可在微信中查询翻译