单词	metal back
释义	metal back [机] 金属壳
随便看	ordinary least square ordinary least square method (ols) ordinary least squares estimator ordinary least-squares method ordinary least squares method ordinary least squares (ols) ordinary legal action ordinary letter ordinary letter telegram Ordinary level ordinary level examination ordinary life ordinary life annuity ordinary life assurance ordinary life insurance ordinary life insurances ordinary life policy ordinary light ordinary light source ordinary lime mortar ordinary link ordinary linkage ordinary loadline ordinary loan ordinary-looking 121122335 121122351 121122354 121122411 121122425 121122431 121122453 121122511 121122512 1211225*15 57454 57455 57456 57457 57458 57459 57460 57461 57462 57463