英语词汇“noise reduction rating”的翻译、意思、用法、释义-英汉汉英词典

单词	noise reduction rating
释义	noise reduction rating {=NRR}減噪等級物理學名詞—聲學
随便看	educational attitude survey educational autonomous robot educational awareness educational background educational ballets educational barriers educational benefits educational bill educational broadcasting educational broadcasting services trust educational broadcasting services trust {=ebs} educational broadcasting trust educational certificate educational cinema educational circle s educational codes educational competition educational conference educational consultant educational counseling educational criticism educational dance educational data educational decree educational deferment