单词	偶來探聼
释义	同DROP
随便看	constant cell constant changes constant changes, as in politics constant changes, as in polities constant charge surface constant chord constant chord blade constant chord wing constant coefficient constant-- cold constant companion constant comparison constant composition elution constant composition solution constant-conductance network constant control of voltage constant cost constant cost-- fixed cost constant cost; fixed cost constant cost industry constant cost，fixed cost constant-- coupling constant creep constant cross of axes constant current