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depressant造句
31. Objective To investigate the effectiveness, side effect, outcome of perinatal infants of the expectant treatment in placenta previa with depressant of uterine contraction. 32. The effects of organic depressant DMPS on jamesonite and pyrrhotite have been studied. 33. Despite being classified as a depressant, alcohol initially acts as a stimulant on the central nervous system. 34. Thus it seems that Salvia compositus exerts its prompt clinical curative effects via its depressant effect on the cerebral cortex. 35. Mental illness is often diagnosed and treated by general practitioners, who too readily prescribe anti - depressant pills. 36. A pour point depressant ( PPD ) for improving the cold fluidity of diesel oils was studied. 37. The results indicates that the blended oil under the action of pour point depressant has better stability both static and dynamic.