[材] 公称捻制损失系数 nl nominal transmission loss: 名义传输损耗nominal overall loss: 额定总损耗nominal speed loss: 名义失速loss factor: 损耗系数; 损耗因数; 损耗因子; 损失率; 损失系数; 损失因数acoustic loss factor: 声损耗因数下载手机词典可随时随地查词查翻译