prelu压, 加压, 加压器PREabbr.Petroleum Refining Engineer炼油工程师preceding president[法] 前任总统pre-renal failure肾前性肾衰pretreatment module预处理舱prelodgement system先行申报制度pretreatment period预堆期pre-bypass filter转流前滤器Precast of box beam箱梁预制Preauricular region耳前区Precarcinoma lesion癌前病变precalcination kiln预分解窑