关于depressant的百科

• depressant造句怎么写

• Anyofvariousdepressantdrugsusedtoreducetensionoranxietyandtotreatpsychoticstates.Thoughalcoholisadepressantthatwillhelpyoufallasleepintheshortterm,onceitseffectswearoff,itcancauseyoutowakeupprematurely....
• 2018-07-0825178

• pour point depressant造句怎么写

• polymericpourpointdepressantadditivePreparationofacrylate-styrene-maleicanhydrideterpolymeraspourpointdepressantApourpointdepressant(PPD)forimprovingthecoldfluidityofdieseloilswasstudied.Ateststudyonimpactofpourpointdepressantonrheologicalpropertyofh...
• 2018-02-067768