英语词汇“pack-year”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	pack-year
释义	pack-year 🌏吸烟的包装年；吸烟指数
随便看	millrows mill rs ratio millrug mill ruling machine millrun mill run mill-run mill run aluminum plate mill-run fabric mill run in table mill run-in table mill runner mill run out table mill run-out table millruns Millry millrynd millrynds Mills County millscrap mill scrap Mills Creek mill screen mill screw Mills cross