词汇	presumptive tests
释义	presumptive tests 假定试验
随便看	residual contact residual contact poison residual contact pressure residual contaminant residual contamination residual content residual content of extinguishing medium residual contents residual contract gratuity residual contral residual contribution residual control residual control right residual control-right residual control rights Residual correction residual-correction type method residual correlation residual correlation matrix residual correlation of k th order residual cost residual count residual couple residual coupling residual coupling constant