词汇	leadfree fuel
释义	leadfree fuel n.无铅燃料
随便看	criticalvalue critical value critical value bounds critical value coefficient critical value for buckling critical value method criti-cal value method critical value of acoustic velocity critical value of deflection critical value of ductile fracture critical value of nutrient critical value of order critical value of surface deformation critical value of the mutation critical value pruning critical value quality control diagram Critical Values critical values code classification critical valus critical valve critical valve for buckling critical variable critical V/C ratio Critical vehicle turnover wind speed Critical velocities