英语词汇“back-of-an-envelope”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	back-of-an-envelope
释义	back-of-an-envelope [网络] 简易快速计算的
随便看	propeller post boss propeller post bossing propeller power propeller power coefficient propeller pressure side propeller projected area propeller propulsion propeller pull-up distance propeller pull-up force propeller-pump propeller pump propeller pump-turbine propeller push up distance propeller race propeller racing propeller radius propeller rake propeller reduction gear propeller reference line propeller-regulating mechanism propeller regulating mechanism propeller reinforcing girder propeller removing device propeller repair shop propeller reversing 112132154 112132154 1121322 112132421 112132454 112132511 112132512 112132514 112132521 1121325*34 老残老母老熟老父老爺老犬老獪老生老病老眼